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53800836 = 2234483403
BaseRepresentation
bin1100110100111…
…0111110000100
310202020100212120
43031032332010
5102233111321
65201045540
71222204515
oct315167604
9122210776
1053800836
1128407401
12160268b0
13b1b941b
147206a0c
154acaec6
hex334ef84

53800836 has 12 divisors (see below), whose sum is σ = 125535312. Its totient is φ = 17933608.

The previous prime is 53800819. The next prime is 53800867. The reversal of 53800836 is 63800835.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53800797 and 53800806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241690 + ... + 2241713.

It is an arithmetic number, because the mean of its divisors is an integer number (10461276).

Almost surely, 253800836 is an apocalyptic number.

It is an amenable number.

53800836 is an abundant number, since it is smaller than the sum of its proper divisors (71734476).

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

53800836 is a wasteful number, since it uses less digits than its factorization.

53800836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483410 (or 4483408 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53800836 is about 7334.9053163623. The cubic root of 53800836 is about 377.5110556241.

Subtracting 53800836 from its reverse (63800835), we obtain a palindrome (9999999).

The spelling of 53800836 in words is "fifty-three million, eight hundred thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 4483403 8966806 13450209 17933612 26900418 53800836