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52790900 = 2252527909
BaseRepresentation
bin1100100101100…
…0011001110100
310200100001111112
43021120121310
5102003302100
65123254152
71210500221
oct311303164
9120301445
1052790900
1127887648
121581a358
13ac24826
147022948
15497bb35
hex3258674

52790900 has 18 divisors (see below), whose sum is σ = 114556470. Its totient is φ = 21116320.

The previous prime is 52790891. The next prime is 52790929. The reversal of 52790900 is 909725.

It can be written as a sum of positive squares in 3 ways, for example, as 633616 + 52157284 = 796^2 + 7222^2 .

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, 263855 + ... + 264054.

Almost surely, 252790900 is an apocalyptic number.

52790900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52790900 is an abundant number, since it is smaller than the sum of its proper divisors (61765570).

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

52790900 is a wasteful number, since it uses less digits than its factorization.

52790900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527923 (or 527916 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 52790900 is about 7265.7346497102. The cubic root of 52790900 is about 375.1339373416.

The spelling of 52790900 in words is "fifty-two million, seven hundred ninety thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 527909 1055818 2111636 2639545 5279090 10558180 13197725 26395450 52790900