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57232242 = 2325953891
BaseRepresentation
bin1101101001010…
…0101101110010
310222200200212200
43122110231302
5104122412432
65402404030
71263315564
oct332245562
9128620780
1057232242
112a340481
1217200616
13bb1b242
14785b334
155057a7c
hex3694b72

57232242 has 24 divisors (see below), whose sum is σ = 126107280. Its totient is φ = 18753720.

The previous prime is 57232159. The next prime is 57232247. The reversal of 57232242 is 24223275.

It is not an unprimeable number, because it can be changed into a prime (57232247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25884 + ... + 28007.

It is an arithmetic number, because the mean of its divisors is an integer number (5254470).

Almost surely, 257232242 is an apocalyptic number.

57232242 is an abundant number, since it is smaller than the sum of its proper divisors (68875038).

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

57232242 is a wasteful number, since it uses less digits than its factorization.

57232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53958 (or 53955 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 57232242 is about 7565.1994025273. The cubic root of 57232242 is about 385.3720853244.

The spelling of 57232242 in words is "fifty-seven million, two hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 53891 107782 161673 323346 485019 970038 3179569 6359138 9538707 19077414 28616121 57232242