Search a number
-
+
52660525 = 522106421
BaseRepresentation
bin1100100011100…
…0100100101101
310200002102122211
43020320210231
5101440114100
65120410421
71206415141
oct310704455
9120072584
1052660525
11277a86a5
1215776a11
13abaa398
146dcb221
1549531ba
hex323892d

52660525 has 6 divisors (see below), whose sum is σ = 65299082. Its totient is φ = 42128400.

The previous prime is 52660519. The next prime is 52660541. The reversal of 52660525 is 52506625.

It can be written as a sum of positive squares in 3 ways, for example, as 561001 + 52099524 = 749^2 + 7218^2 .

It is not a de Polignac number, because 52660525 - 25 = 52660493 is a prime.

It is a Duffinian number.

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, 1053186 + ... + 1053235.

Almost surely, 252660525 is an apocalyptic number.

It is an amenable number.

52660525 is a deficient number, since it is larger than the sum of its proper divisors (12638557).

52660525 is a wasteful number, since it uses less digits than its factorization.

52660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106431 (or 2106426 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52660525 is about 7256.7571958830. The cubic root of 52660525 is about 374.8248663694.

The spelling of 52660525 in words is "fifty-two million, six hundred sixty thousand, five hundred twenty-five".

Divisors: 1 5 25 2106421 10532105 52660525