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56072499 = 379727527
BaseRepresentation
bin1101010111100…
…1100100110011
310220111210000020
43111321210303
5103323304444
65321454523
71250415450
oct325714463
9126453006
1056072499
112971910a
1216941443
13b8033c2
147638827
154dc9119
hex3579933

56072499 has 16 divisors (see below), whose sum is σ = 86327808. Its totient is φ = 31709952.

The previous prime is 56072449. The next prime is 56072503. The reversal of 56072499 is 99427065.

It is not a de Polignac number, because 56072499 - 27 = 56072371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56072499.

It is not an unprimeable number, because it can be changed into a prime (56072449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (5395488).

Almost surely, 256072499 is an apocalyptic number.

56072499 is a deficient number, since it is larger than the sum of its proper divisors (30255309).

56072499 is a wasteful number, since it uses less digits than its factorization.

56072499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27634.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 56072499 is about 7488.1572499514. The cubic root of 56072499 is about 382.7512672595.

The spelling of 56072499 in words is "fifty-six million, seventy-two thousand, four hundred ninety-nine".

Divisors: 1 3 7 21 97 291 679 2037 27527 82581 192689 578067 2670119 8010357 18690833 56072499