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53013425 = 522120537
BaseRepresentation
bin1100101000111…
…0101110110001
310200202100202012
43022032232301
5102032412200
65132132305
71212415043
oct312165661
9120670665
1053013425
1127a19853
1215907095
13aca1bba
14707da93
1549c2a35
hex328ebb1

53013425 has 6 divisors (see below), whose sum is σ = 65736678. Its totient is φ = 42410720.

The previous prime is 53013419. The next prime is 53013469. The reversal of 53013425 is 52431035.

It can be written as a sum of positive squares in 3 ways, for example, as 29584 + 52983841 = 172^2 + 7279^2 .

It is not a de Polignac number, because 53013425 - 212 = 53009329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53013425.

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, 1060244 + ... + 1060293.

It is an arithmetic number, because the mean of its divisors is an integer number (10956113).

Almost surely, 253013425 is an apocalyptic number.

It is an amenable number.

53013425 is a deficient number, since it is larger than the sum of its proper divisors (12723253).

53013425 is a wasteful number, since it uses less digits than its factorization.

53013425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120547 (or 2120542 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53013425 is about 7281.0318636853. The cubic root of 53013425 is about 375.6602885536.

The spelling of 53013425 in words is "fifty-three million, thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 2120537 10602685 53013425