Search a number
-
+
57192242 = 21913111489
BaseRepresentation
bin1101101000101…
…0111100110010
310222121200000012
43122022330302
5104120122432
65401454522
71263061142
oct332127462
9128550005
1057192242
112a313418
12171a1442
13bb05c83
14784a922
15504acb2
hex368af32

57192242 has 16 divisors (see below), whose sum is σ = 91000800. Its totient is φ = 26881920.

The previous prime is 57192227. The next prime is 57192251. The reversal of 57192242 is 24229175.

It is a junction number, because it is equal to n+sod(n) for n = 57192199 and 57192208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (5687550).

Almost surely, 257192242 is an apocalyptic number.

57192242 is a deficient number, since it is larger than the sum of its proper divisors (33808558).

57192242 is a wasteful number, since it uses less digits than its factorization.

57192242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641.

The product of its digits is 10080, while the sum is 32.

The square root of 57192242 is about 7562.5552559965. Note that the first 3 decimals coincide. The cubic root of 57192242 is about 385.2822846837.

The spelling of 57192242 in words is "fifty-seven million, one hundred ninety-two thousand, two hundred forty-two".

Divisors: 1 2 19 38 131 262 2489 4978 11489 22978 218291 436582 1505059 3010118 28596121 57192242