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57404262 = 2331730181
BaseRepresentation
bin1101101011111…
…0101101100110
311000000102211210
43122332231212
5104143414022
65410212250
71264633236
oct332765546
9130012753
1057404262
112a448743
1217284086
13bb7b626
1478a3cc6
15508da0c
hex36beb66

57404262 has 16 divisors (see below), whose sum is σ = 115174512. Its totient is φ = 19073760.

The previous prime is 57404261. The next prime is 57404287. The reversal of 57404262 is 26240475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57404261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13189 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (7198407).

Almost surely, 257404262 is an apocalyptic number.

57404262 is an abundant number, since it is smaller than the sum of its proper divisors (57770250).

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

57404262 is a wasteful number, since it uses less digits than its factorization.

57404262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30503.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 57404262 is about 7576.5600373784. The cubic root of 57404262 is about 385.7577968160.

The spelling of 57404262 in words is "fifty-seven million, four hundred four thousand, two hundred sixty-two".

Divisors: 1 2 3 6 317 634 951 1902 30181 60362 90543 181086 9567377 19134754 28702131 57404262