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32989056 = 27385909
BaseRepresentation
bin111110111010…
…1111110000000
32022002000110220
41331311332000
531421122211
63135023040
7550255002
oct175657600
968060426
1032989056
1117692191
12b06aa80
136ab0669
14454a372
152d69806
hex1f75f80

32989056 has 32 divisors (see below), whose sum is σ = 87628200. Its totient is φ = 10996224.

The previous prime is 32989049. The next prime is 32989069. The reversal of 32989056 is 65098923.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×329890562 = 2176555631542272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 32988999 and 32989017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42571 + ... + 43338.

Almost surely, 232989056 is an apocalyptic number.

It is an amenable number.

32989056 is an abundant number, since it is smaller than the sum of its proper divisors (54639144).

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

32989056 is an equidigital number, since it uses as much as digits as its factorization.

32989056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85926 (or 85914 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 32989056 is about 5743.6100146162. The cubic root of 32989056 is about 320.7179712451.

The spelling of 32989056 in words is "thirty-two million, nine hundred eighty-nine thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 85909 171818 257727 343636 515454 687272 1030908 1374544 2061816 2749088 4123632 5498176 8247264 10996352 16494528 32989056