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1924140672 = 273216310247
BaseRepresentation
bin111001010110000…
…0000111010000000
311222002121110210100
41302230000322000
512420040000142
6514533002400
765452632366
oct16254007200
94862543710
101924140672
118a8144403
12458483400
1324883689c
1414378d636
15b3dcab4c
hex72b00e80

1924140672 has 96 divisors (see below), whose sum is σ = 5571427680. Its totient is φ = 637383168.

The previous prime is 1924140667. The next prime is 1924140677. The reversal of 1924140672 is 2760414291.

It is a happy number.

1924140672 is a `hidden beast` number, since 1 + 9 + 241 + 406 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1924140667) and next prime (1924140677).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×19241406723 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1924140677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182653 + ... + 192899.

It is an arithmetic number, because the mean of its divisors is an integer number (58035705).

Almost surely, 21924140672 is an apocalyptic number.

1924140672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1924140672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785713840).

1924140672 is an abundant number, since it is smaller than the sum of its proper divisors (3647287008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1924140672 is a wasteful number, since it uses less digits than its factorization.

1924140672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1924140672 is about 43865.0278923883. The cubic root of 1924140672 is about 1243.7858352107.

The spelling of 1924140672 in words is "one billion, nine hundred twenty-four million, one hundred forty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 163 192 288 326 384 489 576 652 978 1152 1304 1467 1956 2608 2934 3912 5216 5868 7824 10247 10432 11736 15648 20494 20864 23472 30741 31296 40988 46944 61482 62592 81976 92223 93888 122964 163952 184446 187776 245928 327904 368892 491856 655808 737784 983712 1311616 1475568 1670261 1967424 2951136 3340522 3934848 5010783 5902272 6681044 10021566 11804544 13362088 15032349 20043132 26724176 30064698 40086264 53448352 60129396 80172528 106896704 120258792 160345056 213793408 240517584 320690112 481035168 641380224 962070336 1924140672