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52686025 = 5272411049
BaseRepresentation
bin1100100011111…
…0110011001001
310200010201122021
43020332303021
5101441423100
65121124441
71206552400
oct310766311
9120121567
1052686025
1127815877
1215789721
13abb8b82
146dd6637
15495aa1a
hex323ecc9

52686025 has 36 divisors (see below), whose sum is σ = 77924700. Its totient is φ = 35212800.

The previous prime is 52686017. The next prime is 52686061. The reversal of 52686025 is 52068625.

It can be written as a sum of positive squares in 6 ways, for example, as 1806336 + 50879689 = 1344^2 + 7133^2 .

It is not a de Polignac number, because 52686025 - 23 = 52686017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49701 + ... + 50749.

It is an arithmetic number, because the mean of its divisors is an integer number (2164575).

Almost surely, 252686025 is an apocalyptic number.

It is an amenable number.

52686025 is a deficient number, since it is larger than the sum of its proper divisors (25238675).

52686025 is a wasteful number, since it uses less digits than its factorization.

52686025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 52686025 is about 7258.5139663708. The cubic root of 52686025 is about 374.8853575485.

The spelling of 52686025 in words is "fifty-two million, six hundred eighty-six thousand, twenty-five".

Divisors: 1 5 7 25 35 41 49 175 205 245 287 1025 1049 1225 1435 2009 5245 7175 7343 10045 26225 36715 43009 50225 51401 183575 215045 257005 301063 1075225 1285025 1505315 2107441 7526575 10537205 52686025