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57456272 = 243591017
BaseRepresentation
bin1101101100101…
…1011010010000
311000010002012002
43123023122100
5104202100042
65411253132
71265240666
oct333133220
9130102162
1057456272
112a483825
12172aa1a8
13bb991c3
1478b8c36
15509e132
hex36cb690

57456272 has 10 divisors (see below), whose sum is σ = 111321558. Its totient is φ = 28728128.

The previous prime is 57456271. The next prime is 57456283. The reversal of 57456272 is 27265475.

It is a happy number.

57456272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45373696 + 12082576 = 6736^2 + 3476^2 .

It is not an unprimeable number, because it can be changed into a prime (57456271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1795493 + ... + 1795524.

Almost surely, 257456272 is an apocalyptic number.

It is an amenable number.

57456272 is a deficient number, since it is larger than the sum of its proper divisors (53865286).

57456272 is a wasteful number, since it uses less digits than its factorization.

57456272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591025 (or 3591019 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 57456272 is about 7579.9915567235. The cubic root of 57456272 is about 385.8742643978.

The spelling of 57456272 in words is "fifty-seven million, four hundred fifty-six thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 3591017 7182034 14364068 28728136 57456272