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57725032 = 23233761139
BaseRepresentation
bin1101110000110…
…1000001101000
311000121201212011
43130031001220
5104234200112
65421125304
71300440361
oct334150150
9130551764
1057725032
112a647742
12173b9834
13bc61631
147948b68
155103aa7
hex370d068

57725032 has 64 divisors (see below), whose sum is σ = 118742400. Its totient is φ = 26231040.

The previous prime is 57725029. The next prime is 57725077. The reversal of 57725032 is 23052775.

It is a junction number, because it is equal to n+sod(n) for n = 57724985 and 57725003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415219 + ... + 415357.

It is an arithmetic number, because the mean of its divisors is an integer number (1855350).

Almost surely, 257725032 is an apocalyptic number.

It is an amenable number.

57725032 is an abundant number, since it is smaller than the sum of its proper divisors (61017368).

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

57725032 is a wasteful number, since it uses less digits than its factorization.

57725032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 57725032 is about 7597.6991253932. The cubic root of 57725032 is about 386.4749895536.

The spelling of 57725032 in words is "fifty-seven million, seven hundred twenty-five thousand, thirty-two".

Divisors: 1 2 4 8 23 37 46 61 74 92 122 139 148 184 244 278 296 488 556 851 1112 1403 1702 2257 2806 3197 3404 4514 5143 5612 6394 6808 8479 9028 10286 11224 12788 16958 18056 20572 25576 33916 41144 51911 67832 103822 118289 195017 207644 236578 313723 390034 415288 473156 627446 780068 946312 1254892 1560136 2509784 7215629 14431258 28862516 57725032