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3124320 = 253523283
BaseRepresentation
bin1011111010110001100000
312212201202120
423322301200
51244434240
6150544240
735361543
oct13726140
95781676
103124320
111844391
121068080
13855114
145b485a
1541aad0
hex2fac60

3124320 has 96 divisors (see below), whose sum is σ = 10305792. Its totient is φ = 794112.

The previous prime is 3124313. The next prime is 3124321. The reversal of 3124320 is 234213.

3124320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×31243202 = 19522750924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3124320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124321) 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 15 ways as a sum of consecutive naturals, for example, 10899 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (107352).

Almost surely, 23124320 is an apocalyptic number.

3124320 is a gapful number since it is divisible by the number (30) 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 3124320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5152896).

3124320 is an abundant number, since it is smaller than the sum of its proper divisors (7181472).

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

3124320 is a wasteful number, since it uses less digits than its factorization.

3124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3124320 is about 1767.5746094578. The cubic root of 3124320 is about 146.1902817037.

Adding to 3124320 its reverse (234213), we get a palindrome (3358533).

The spelling of 3124320 in words is "three million, one hundred twenty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 283 345 368 460 480 552 566 690 736 849 920 1104 1132 1380 1415 1698 1840 2208 2264 2760 2830 3396 3680 4245 4528 5520 5660 6509 6792 8490 9056 11040 11320 13018 13584 16980 19527 22640 26036 27168 32545 33960 39054 45280 52072 65090 67920 78108 97635 104144 130180 135840 156216 195270 208288 260360 312432 390540 520720 624864 781080 1041440 1562160 3124320