Search a number
-
+
57250172 = 2272044649
BaseRepresentation
bin1101101001100…
…1000101111100
310222201121110202
43122121011330
5104124001142
65403023032
71263422060
oct332310574
9128647422
1057250172
112a3529a1
121720aa78
13bb26455
147863aa0
15505d032
hex369917c

57250172 has 12 divisors (see below), whose sum is σ = 114500400. Its totient is φ = 24535776.

The previous prime is 57250153. The next prime is 57250187. The reversal of 57250172 is 27105275.

57250172 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022297 + ... + 1022352.

It is an arithmetic number, because the mean of its divisors is an integer number (9541700).

Almost surely, 257250172 is an apocalyptic number.

It is an amenable number.

57250172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57250172 is a wasteful number, since it uses less digits than its factorization.

57250172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044660 (or 2044658 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 57250172 is about 7566.3843412822. The cubic root of 57250172 is about 385.4123248806.

The spelling of 57250172 in words is "fifty-seven million, two hundred fifty thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 2044649 4089298 8178596 14312543 28625086 57250172