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57740132 = 22128311251
BaseRepresentation
bin1101110001000…
…0101101100100
311000122111120102
43130100231210
5104240141012
65421323232
71300532402
oct334205544
9130574512
1057740132
112a65801a
1217406518
13bc68478
147950472
1551082c2
hex3710b64

57740132 has 12 divisors (see below), whose sum is σ = 101132976. Its totient is φ = 28845000.

The previous prime is 57740129. The next prime is 57740141. The reversal of 57740132 is 23104775.

It is a junction number, because it is equal to n+sod(n) for n = 57740095 and 57740104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (8427748).

Almost surely, 257740132 is an apocalyptic number.

It is an amenable number.

57740132 is a deficient number, since it is larger than the sum of its proper divisors (43392844).

57740132 is a wasteful number, since it uses less digits than its factorization.

57740132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57740132 is about 7598.6927823146. The cubic root of 57740132 is about 386.5086852968.

The spelling of 57740132 in words is "fifty-seven million, seven hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 1283 2566 5132 11251 22502 45004 14435033 28870066 57740132