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57135325 = 52133153107
BaseRepresentation
bin1101100111110…
…1000011011101
310222111202221011
43121331003131
5104111312300
65400335221
71262433202
oct331750335
9128452834
1057135325
112a284685
1217174511
13bab60b0
147833ca9
155038eba
hex367d0dd

57135325 has 48 divisors (see below), whose sum is σ = 80994816. Its totient is φ = 39686400.

The previous prime is 57135313. The next prime is 57135341. The reversal of 57135325 is 52353175.

It is not a de Polignac number, because 57135325 - 215 = 57102557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533922 + ... + 534028.

It is an arithmetic number, because the mean of its divisors is an integer number (1687392).

Almost surely, 257135325 is an apocalyptic number.

It is an amenable number.

57135325 is a deficient number, since it is larger than the sum of its proper divisors (23859491).

57135325 is a wasteful number, since it uses less digits than its factorization.

57135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 209 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 57135325 is about 7558.7912393451. The cubic root of 57135325 is about 385.1544329007.

The spelling of 57135325 in words is "fifty-seven million, one hundred thirty-five thousand, three hundred twenty-five".

Divisors: 1 5 13 25 31 53 65 107 155 265 325 403 535 689 775 1325 1391 1643 2015 2675 3317 3445 5671 6955 8215 10075 16585 17225 21359 28355 34775 41075 43121 73723 82925 106795 141775 175801 215605 368615 533975 879005 1078025 1843075 2285413 4395025 11427065 57135325