Search a number
-
+
52790525 = 5217124213
BaseRepresentation
bin1100100101100…
…0010011111101
310200100000222122
43021120103331
5102003244100
65123252325
71210466144
oct311302375
9120300878
1052790525
1127887337
121581a0a5
13ac245c8
14702275b
15497b985
hex32584fd

52790525 has 12 divisors (see below), whose sum is σ = 69311412. Its totient is φ = 39747840.

The previous prime is 52790519. The next prime is 52790533. The reversal of 52790525 is 52509725.

It can be written as a sum of positive squares in 6 ways, for example, as 329476 + 52461049 = 574^2 + 7243^2 .

It is not a de Polignac number, because 52790525 - 24 = 52790509 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 11 ways as a sum of consecutive naturals, for example, 61682 + ... + 62531.

It is an arithmetic number, because the mean of its divisors is an integer number (5775951).

Almost surely, 252790525 is an apocalyptic number.

It is an amenable number.

52790525 is a deficient number, since it is larger than the sum of its proper divisors (16520887).

52790525 is a wasteful number, since it uses less digits than its factorization.

52790525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124240 (or 124235 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 52790525 is about 7265.7088436023. The cubic root of 52790525 is about 375.1330490852.

The spelling of 52790525 in words is "fifty-two million, seven hundred ninety thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 124213 621065 2111621 3105325 10558105 52790525