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56080038 = 2371335239
BaseRepresentation
bin1101010111101…
…1011010100110
310220112011100110
43111323122212
5103324030123
65321553450
71250446440
oct325733246
9126464313
1056080038
1129723843
1216945886
13b806971
14763b490
154dcb493
hex357b6a6

56080038 has 16 divisors (see below), whose sum is σ = 128183040. Its totient is φ = 16022856.

The previous prime is 56080033. The next prime is 56080061. The reversal of 56080038 is 83008065.

It is a junction number, because it is equal to n+sod(n) for n = 56079987 and 56080014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56080033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667578 + ... + 667661.

It is an arithmetic number, because the mean of its divisors is an integer number (8011440).

Almost surely, 256080038 is an apocalyptic number.

56080038 is an abundant number, since it is smaller than the sum of its proper divisors (72103002).

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

56080038 is a wasteful number, since it uses less digits than its factorization.

56080038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335251.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 56080038 is about 7488.6606279094. The cubic root of 56080038 is about 382.7684202462.

The spelling of 56080038 in words is "fifty-six million, eighty thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 1335239 2670478 4005717 8011434 9346673 18693346 28040019 56080038