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57252342 = 2371363151
BaseRepresentation
bin1101101001100…
…1100111110110
310222201201110010
43122121213312
5104124033332
65403041050
71263431310
oct332314766
9128651403
1057252342
112a354594
1217210186
13bb27434
1478647b0
15505d9cc
hex36999f6

57252342 has 16 divisors (see below), whose sum is σ = 130862592. Its totient is φ = 16357800.

The previous prime is 57252323. The next prime is 57252389. The reversal of 57252342 is 24325275.

It is a congruent number.

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, 681534 + ... + 681617.

It is an arithmetic number, because the mean of its divisors is an integer number (8178912).

Almost surely, 257252342 is an apocalyptic number.

57252342 is an abundant number, since it is smaller than the sum of its proper divisors (73610250).

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

57252342 is a wasteful number, since it uses less digits than its factorization.

57252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363163.

The product of its digits is 16800, while the sum is 30.

The square root of 57252342 is about 7566.5277373443. The cubic root of 57252342 is about 385.4171943517.

The spelling of 57252342 in words is "fifty-seven million, two hundred fifty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1363151 2726302 4089453 8178906 9542057 19084114 28626171 57252342