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57250461 = 3112916903
BaseRepresentation
bin1101101001100…
…1001010011101
310222201121212110
43122121022131
5104124003321
65403024233
71263422652
oct332311235
9128647773
1057250461
112a353134
121720b079
13bb26618
147863c29
15505d176
hex369929d

57250461 has 8 divisors (see below), whose sum is σ = 76406080. Its totient is φ = 38130912.

The previous prime is 57250451. The next prime is 57250483. The reversal of 57250461 is 16405275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57250461 - 214 = 57234077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57250411) 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, 5065 + ... + 11838.

It is an arithmetic number, because the mean of its divisors is an integer number (9550760).

Almost surely, 257250461 is an apocalyptic number.

It is an amenable number.

57250461 is a deficient number, since it is larger than the sum of its proper divisors (19155619).

57250461 is a wasteful number, since it uses less digits than its factorization.

57250461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57250461 is about 7566.4034388869. The cubic root of 57250461 is about 385.4129734025.

The spelling of 57250461 in words is "fifty-seven million, two hundred fifty thousand, four hundred sixty-one".

Divisors: 1 3 1129 3387 16903 50709 19083487 57250461