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56775152 = 2474491129
BaseRepresentation
bin1101100010010…
…1000111110000
310221211110212102
43120211013300
5104013301102
65344515532
71256403140
oct330450760
9127743772
1056775152
112a059015
121701bba8
13b9bb185
14777c920
154eb7402
hex36251f0

56775152 has 40 divisors (see below), whose sum is σ = 126108000. Its totient is φ = 24256512.

The previous prime is 56775151. The next prime is 56775181. The reversal of 56775152 is 25157765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56775151) 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, 49724 + ... + 50852.

It is an arithmetic number, because the mean of its divisors is an integer number (3152700).

Almost surely, 256775152 is an apocalyptic number.

It is an amenable number.

56775152 is an abundant number, since it is smaller than the sum of its proper divisors (69332848).

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

56775152 is a wasteful number, since it uses less digits than its factorization.

56775152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1587 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 56775152 is about 7534.9287986019. The cubic root of 56775152 is about 384.3434066350.

The spelling of 56775152 in words is "fifty-six million, seven hundred seventy-five thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 449 898 1129 1796 2258 3143 3592 4516 6286 7184 7903 9032 12572 15806 18064 25144 31612 50288 63224 126448 506921 1013842 2027684 3548447 4055368 7096894 8110736 14193788 28387576 56775152