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52513504 = 253152937
BaseRepresentation
bin1100100001010…
…0101011100000
310122210221222121
43020110223200
5101420413004
65113314024
71205233411
oct310245340
9118727877
1052513504
112770819a
1215705914
13ab584a4
146d8d808
154924854
hex3214ae0

52513504 has 24 divisors (see below), whose sum is σ = 106723008. Its totient is φ = 25409280.

The previous prime is 52513501. The next prime is 52513507. The reversal of 52513504 is 40531525.

It is an interprime number because it is at equal distance from previous prime (52513501) and next prime (52513507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25477 + ... + 27460.

It is an arithmetic number, because the mean of its divisors is an integer number (4446792).

Almost surely, 252513504 is an apocalyptic number.

It is an amenable number.

52513504 is an abundant number, since it is smaller than the sum of its proper divisors (54209504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52513504 is a wasteful number, since it uses less digits than its factorization.

52513504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52978 (or 52970 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52513504 is about 7246.6201777104. The cubic root of 52513504 is about 374.4757212857.

The spelling of 52513504 in words is "fifty-two million, five hundred thirteen thousand, five hundred four".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 52937 105874 211748 423496 846992 1641047 1693984 3282094 6564188 13128376 26256752 52513504