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57125135 = 511425027
BaseRepresentation
bin1101100111101…
…0100100001111
310222111020221202
43121322210033
5104111001020
65400220115
71262361404
oct331724417
9128436852
1057125135
112a277a61
121716a63b
13bab1572
1478302ab
155035e75
hex367a90f

57125135 has 4 divisors (see below), whose sum is σ = 68550168. Its totient is φ = 45700104.

The previous prime is 57125129. The next prime is 57125141. The reversal of 57125135 is 53152175.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57125129) and next prime (57125141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57125135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57125098 and 57125107.

It is a congruent number.

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, 5712509 + ... + 5712518.

It is an arithmetic number, because the mean of its divisors is an integer number (17137542).

Almost surely, 257125135 is an apocalyptic number.

57125135 is a deficient number, since it is larger than the sum of its proper divisors (11425033).

57125135 is a wasteful number, since it uses less digits than its factorization.

57125135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11425032.

The product of its digits is 5250, while the sum is 29.

The square root of 57125135 is about 7558.1171597164. The cubic root of 57125135 is about 385.1315342998.

The spelling of 57125135 in words is "fifty-seven million, one hundred twenty-five thousand, one hundred thirty-five".

Divisors: 1 5 11425027 57125135