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52513448 = 2313504937
BaseRepresentation
bin1100100001010…
…0101010101000
310122210221220112
43020110222220
5101420412243
65113313452
71205233301
oct310245250
9118727815
1052513448
1127708149
1215705888
13ab58460
146d8d7a8
154924818
hex3214aa8

52513448 has 16 divisors (see below), whose sum is σ = 106036980. Its totient is φ = 24236928.

The previous prime is 52513441. The next prime is 52513451. The reversal of 52513448 is 84431525.

It can be written as a sum of positive squares in 2 ways, for example, as 51811204 + 702244 = 7198^2 + 838^2 .

It is not an unprimeable number, because it can be changed into a prime (52513441) 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, 252365 + ... + 252572.

Almost surely, 252513448 is an apocalyptic number.

It is an amenable number.

52513448 is an abundant number, since it is smaller than the sum of its proper divisors (53523532).

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

52513448 is a wasteful number, since it uses less digits than its factorization.

52513448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504956 (or 504952 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 52513448 is about 7246.6163138392. The cubic root of 52513448 is about 374.4755881730.

The spelling of 52513448 in words is "fifty-two million, five hundred thirteen thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 504937 1009874 2019748 4039496 6564181 13128362 26256724 52513448