[go: up one dir, main page]

Search a number
-
+
57252911 = 2312491993
BaseRepresentation
bin1101101001100…
…1110000101111
310222201202020012
43122121300233
5104124043121
65403043435
71263433052
oct332316057
9128652205
1057252911
112a354a61
121721057b
13bb27781
147864a99
15505dc5b
hex3699c2f

57252911 has 8 divisors (see below), whose sum is σ = 59820000. Its totient is φ = 54692352.

The previous prime is 57252901. The next prime is 57252913. The reversal of 57252911 is 11925275.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57252911 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 (57252913) 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, 27731 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (7477500).

Almost surely, 257252911 is an apocalyptic number.

57252911 is a deficient number, since it is larger than the sum of its proper divisors (2567089).

57252911 is a wasteful number, since it uses less digits than its factorization.

57252911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its digits is 6300, while the sum is 32.

The square root of 57252911 is about 7566.5653370601. The cubic root of 57252911 is about 385.4184711650.

The spelling of 57252911 in words is "fifty-seven million, two hundred fifty-two thousand, nine hundred eleven".

Divisors: 1 23 1249 1993 28727 45839 2489257 57252911