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52538625 = 34535189
BaseRepresentation
bin1100100001101…
…0110100000001
310122212020110000
43020122310001
5101422214000
65114030213
71205366556
oct310326401
9118766400
1052538625
1127725057
1215718369
13ab66a59
146d98a2d
15492c000
hex321ad01

52538625 has 40 divisors (see below), whose sum is σ = 97966440. Its totient is φ = 28015200.

The previous prime is 52538623. The next prime is 52538639. The reversal of 52538625 is 52683525.

It is a happy number.

52538625 is a `hidden beast` number, since 5 + 25 + 3 + 8 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 178929 + 52359696 = 423^2 + 7236^2 .

It is not a de Polignac number, because 52538625 - 21 = 52538623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52538625.

It is not an unprimeable number, because it can be changed into a prime (52538623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7531 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (2449161).

Almost surely, 252538625 is an apocalyptic number.

It is an amenable number.

52538625 is a deficient number, since it is larger than the sum of its proper divisors (45427815).

52538625 is an equidigital number, since it uses as much as digits as its factorization.

52538625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216 (or 5197 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 52538625 is about 7248.3532612587. The cubic root of 52538625 is about 374.5354246904.

The spelling of 52538625 in words is "fifty-two million, five hundred thirty-eight thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 675 1125 2025 3375 5189 10125 15567 25945 46701 77835 129725 140103 233505 389175 420309 648625 700515 1167525 1945875 2101545 3502575 5837625 10507725 17512875 52538625