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57125295 = 3257916069
BaseRepresentation
bin1101100111101…
…0100110101111
310222111021011200
43121322212233
5104111002140
65400220543
71262362023
oct331724657
9128437150
1057125295
112a278097
121716a753
13bab1666
147830383
155036030
hex367a9af

57125295 has 24 divisors (see below), whose sum is σ = 100276800. Its totient is φ = 30079296.

The previous prime is 57125291. The next prime is 57125303. The reversal of 57125295 is 59252175.

It is not a de Polignac number, because 57125295 - 22 = 57125291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4480 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (4178200).

Almost surely, 257125295 is an apocalyptic number.

57125295 is a deficient number, since it is larger than the sum of its proper divisors (43151505).

57125295 is a wasteful number, since it uses less digits than its factorization.

57125295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159 (or 16156 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 57125295 is about 7558.1277443557. The cubic root of 57125295 is about 385.1318938671.

The spelling of 57125295 in words is "fifty-seven million, one hundred twenty-five thousand, two hundred ninety-five".

Divisors: 1 3 5 9 15 45 79 237 395 711 1185 3555 16069 48207 80345 144621 241035 723105 1269451 3808353 6347255 11425059 19041765 57125295