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57269725 = 522290789
BaseRepresentation
bin1101101001110…
…1110111011101
310222202121021221
43122131313131
5104130112400
65403253341
71263533062
oct332356735
9128677257
1057269725
112a366657
121721a251
13bb32316
14786ac69
155063c1a
hex369dddd

57269725 has 6 divisors (see below), whose sum is σ = 71014490. Its totient is φ = 45815760.

The previous prime is 57269713. The next prime is 57269759. The reversal of 57269725 is 52796275.

It can be written as a sum of positive squares in 3 ways, for example, as 70756 + 57198969 = 266^2 + 7563^2 .

It is not a de Polignac number, because 57269725 - 29 = 57269213 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1145370 + ... + 1145419.

Almost surely, 257269725 is an apocalyptic number.

It is an amenable number.

57269725 is a deficient number, since it is larger than the sum of its proper divisors (13744765).

57269725 is a wasteful number, since it uses less digits than its factorization.

57269725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290799 (or 2290794 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 57269725 is about 7567.6763276451. The cubic root of 57269725 is about 385.4561972927.

It can be divided in two parts, 5726 and 9725, that added together give a palindrome (15451).

The spelling of 57269725 in words is "fifty-seven million, two hundred sixty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 2290789 11453945 57269725