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52493956 = 2253247613
BaseRepresentation
bin1100100000111…
…1111010000100
310122202222011121
43020033322010
5101414301311
65113043324
71205122414
oct310177204
9118688147
1052493956
11276a4539
12156b6544
13ab4c618
146d86644
15491db71
hex320fe84

52493956 has 12 divisors (see below), whose sum is σ = 93598092. Its totient is φ = 25751648.

The previous prime is 52493951. The next prime is 52493957. The reversal of 52493956 is 65939425.

It can be written as a sum of positive squares in 2 ways, for example, as 26687556 + 25806400 = 5166^2 + 5080^2 .

It is not an unprimeable number, because it can be changed into a prime (52493951) 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, 123595 + ... + 124018.

It is an arithmetic number, because the mean of its divisors is an integer number (7799841).

Almost surely, 252493956 is an apocalyptic number.

It is an amenable number.

52493956 is a deficient number, since it is larger than the sum of its proper divisors (41104136).

52493956 is a wasteful number, since it uses less digits than its factorization.

52493956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247670 (or 247668 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 52493956 is about 7245.2712854661. The cubic root of 52493956 is about 374.4292496842.

The spelling of 52493956 in words is "fifty-two million, four hundred ninety-three thousand, nine hundred fifty-six".

Divisors: 1 2 4 53 106 212 247613 495226 990452 13123489 26246978 52493956