Base | Representation |
---|---|
bin | 1100011100010… |
… | …1001011101000 |
3 | 10122012102022110 |
4 | 3013011023220 |
5 | 101330003010 |
6 | 5102322320 |
7 | 1202406153 |
oct | 307051350 |
9 | 118172273 |
10 | 52187880 |
11 | 27505588 |
12 | 155893a0 |
13 | aa73204 |
14 | 6d06c9a |
15 | 48ad120 |
hex | 31c52e8 |
52187880 has 64 divisors (see below), whose sum is σ = 161625600. Its totient is φ = 13466880.
The previous prime is 52187867. The next prime is 52187903. The reversal of 52187880 is 8878125.
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, 3295 + ... + 10734.
It is an arithmetic number, because the mean of its divisors is an integer number (2525400).
Almost surely, 252187880 is an apocalyptic number.
It is an amenable number.
52187880 is an abundant number, since it is smaller than the sum of its proper divisors (109437720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52187880 is a wasteful number, since it uses less digits than its factorization.
52187880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14074 (or 14070 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 39.
The square root of 52187880 is about 7224.1179392366. The cubic root of 52187880 is about 373.7001037032.
The spelling of 52187880 in words is "fifty-two million, one hundred eighty-seven thousand, eight hundred eighty".
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