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1013224240 = 24572297901
BaseRepresentation
bin111100011001001…
…001001100110000
32121121120010100201
4330121021030300
54033341133430
6244312524544
734052156350
oct7431111460
92547503321
101013224240
1147aa36406
122433b0754
13131bba492
14987d0b60
155de448ca
hex3c649330

1013224240 has 80 divisors (see below), whose sum is σ = 2704380480. Its totient is φ = 345830400.

The previous prime is 1013224211. The next prime is 1013224241. The reversal of 1013224240 is 424223101.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1013224241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124290 + ... + 132190.

It is an arithmetic number, because the mean of its divisors is an integer number (33804756).

Almost surely, 21013224240 is an apocalyptic number.

1013224240 is a gapful number since it is divisible by the number (10) 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 1013224240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352190240).

1013224240 is an abundant number, since it is smaller than the sum of its proper divisors (1691156240).

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

1013224240 is a wasteful number, since it uses less digits than its factorization.

1013224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8144 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1013224240 is about 31831.1834527088. The cubic root of 1013224240 is about 1004.3887903411.

Adding to 1013224240 its reverse (424223101), we get a palindrome (1437447341).

The spelling of 1013224240 in words is "one billion, thirteen million, two hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 229 280 458 560 916 1145 1603 1832 2290 3206 3664 4580 6412 7901 8015 9160 12824 15802 16030 18320 25648 31604 32060 39505 55307 63208 64120 79010 110614 126416 128240 158020 221228 276535 316040 442456 553070 632080 884912 1106140 1809329 2212280 3618658 4424560 7237316 9046645 12665303 14474632 18093290 25330606 28949264 36186580 50661212 63326515 72373160 101322424 126653030 144746320 202644848 253306060 506612120 1013224240