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56135448 = 2332779659
BaseRepresentation
bin1101011000100…
…0111100011000
310220121222100200
43112020330120
5103332313243
65323102200
71251100125
oct326107430
9126558320
1056135448
1129761436
1216971960
13b825c55
14765374c
154ddcad3
hex3588f18

56135448 has 24 divisors (see below), whose sum is σ = 152033700. Its totient is φ = 18711792.

The previous prime is 56135441. The next prime is 56135449. The reversal of 56135448 is 84453165.

It is a happy number.

56135448 is a `hidden beast` number, since 561 + 3 + 54 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56135441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389758 + ... + 389901.

Almost surely, 256135448 is an apocalyptic number.

It is an amenable number.

56135448 is an abundant number, since it is smaller than the sum of its proper divisors (95898252).

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

56135448 is a wasteful number, since it uses less digits than its factorization.

56135448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779671 (or 779664 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 56135448 is about 7492.3593079884. The cubic root of 56135448 is about 382.8944437981.

The spelling of 56135448 in words is "fifty-six million, one hundred thirty-five thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 779659 1559318 2338977 3118636 4677954 6237272 7016931 9355908 14033862 18711816 28067724 56135448