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57290262 = 2316358579
BaseRepresentation
bin1101101010001…
…0111000010110
310222210122110120
43122202320112
5104131242022
65403532410
71263650001
oct332427026
9128718416
1057290262
112a380027
121722a106
13bb3b783
147874538
155069d5c
hex36a2e16

57290262 has 16 divisors (see below), whose sum is σ = 115285440. Its totient is φ = 18979272.

The previous prime is 57290251. The next prime is 57290267. The reversal of 57290262 is 26209275.

It is a happy number.

57290262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57290267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28312 + ... + 30267.

It is an arithmetic number, because the mean of its divisors is an integer number (7205340).

Almost surely, 257290262 is an apocalyptic number.

57290262 is an abundant number, since it is smaller than the sum of its proper divisors (57995178).

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

57290262 is a wasteful number, since it uses less digits than its factorization.

57290262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58747.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57290262 is about 7569.0330954488. The cubic root of 57290262 is about 385.5022668222.

The spelling of 57290262 in words is "fifty-seven million, two hundred ninety thousand, two hundred sixty-two".

Divisors: 1 2 3 6 163 326 489 978 58579 117158 175737 351474 9548377 19096754 28645131 57290262