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57254216 = 237156777
BaseRepresentation
bin1101101001101…
…0000101001000
310222201211000112
43122122011020
5104124113331
65403053452
71263436625
oct332320510
9128654015
1057254216
112a355a38
1217211288
13bb28246
14786534c
15505e32b
hex369a148

57254216 has 8 divisors (see below), whose sum is σ = 107351670. Its totient is φ = 28627104.

The previous prime is 57254191. The next prime is 57254221. The reversal of 57254216 is 61245275.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 3818116 = 7310^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578381 + ... + 3578396.

Almost surely, 257254216 is an apocalyptic number.

It is an amenable number.

57254216 is a deficient number, since it is larger than the sum of its proper divisors (50097454).

57254216 is a wasteful number, since it uses less digits than its factorization.

57254216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156783 (or 7156779 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 57254216 is about 7566.6515712037. The cubic root of 57254216 is about 385.4213995010.

The spelling of 57254216 in words is "fifty-seven million, two hundred fifty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 7156777 14313554 28627108 57254216