Base | Representation |
---|---|
bin | 1100101010101… |
… | …1101001101100 |
3 | 10200222101020120 |
4 | 3022223221230 |
5 | 102100210014 |
6 | 5134444540 |
7 | 1213420311 |
oct | 312535154 |
9 | 120871216 |
10 | 53131884 |
11 | 27a9a853 |
12 | 15963750 |
13 | b013ab0 |
14 | 70b0d08 |
15 | 49e7ba9 |
hex | 32aba6c |
53131884 has 48 divisors (see below), whose sum is σ = 133993440. Its totient is φ = 16289280.
The previous prime is 53131879. The next prime is 53131901. The reversal of 53131884 is 48813135.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65272 + ... + 66080.
It is an arithmetic number, because the mean of its divisors is an integer number (2791530).
Almost surely, 253131884 is an apocalyptic number.
It is an amenable number.
53131884 is an abundant number, since it is smaller than the sum of its proper divisors (80861556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53131884 is a wasteful number, since it uses less digits than its factorization.
53131884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).
The product of its digits is 11520, while the sum is 33.
The square root of 53131884 is about 7289.1620917634. The cubic root of 53131884 is about 375.9398858928.
The spelling of 53131884 in words is "fifty-three million, one hundred thirty-one thousand, eight hundred eighty-four".
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