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57238502 = 267795407
BaseRepresentation
bin1101101001011…
…0001111100110
310222201000110112
43122112033212
5104123113002
65402453022
71263343046
oct332261746
9128630415
1057238502
112a345152
1217204172
13bb21049
14785d726
155059852
hex36963e6

57238502 has 16 divisors (see below), whose sum is σ = 88258560. Its totient is φ = 27830088.

The previous prime is 57238487. The next prime is 57238523. The reversal of 57238502 is 20583275.

It is a super-2 number, since 2×572385022 = 6552492222408008, which contains 22 as substring.

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, 7883 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (5516160).

Almost surely, 257238502 is an apocalyptic number.

57238502 is a deficient number, since it is larger than the sum of its proper divisors (31020058).

57238502 is a wasteful number, since it uses less digits than its factorization.

57238502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 57238502 is about 7565.6131278304. The cubic root of 57238502 is about 385.3861353378.

The spelling of 57238502 in words is "fifty-seven million, two hundred thirty-eight thousand, five hundred two".

Divisors: 1 2 67 79 134 158 5293 5407 10586 10814 362269 427153 724538 854306 28619251 57238502