Base | Representation |
---|---|
bin | 1010011000011… |
… | …00000110001100 |
3 | 20001212012011102 |
4 | 11030030012030 |
5 | 134243100411 |
6 | 12350242232 |
7 | 2105115335 |
oct | 514140614 |
9 | 201765142 |
10 | 87081356 |
11 | 4517856a |
12 | 251b6378 |
13 | 1506c63b |
14 | b7cb28c |
15 | 79a1d3b |
hex | 530c18c |
87081356 has 12 divisors (see below), whose sum is σ = 157308480. Its totient is φ = 42136080.
The previous prime is 87081349. The next prime is 87081367. The reversal of 87081356 is 65318078.
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, 351011 + ... + 351258.
It is an arithmetic number, because the mean of its divisors is an integer number (13109040).
Almost surely, 287081356 is an apocalyptic number.
It is an amenable number.
87081356 is a deficient number, since it is larger than the sum of its proper divisors (70227124).
87081356 is a wasteful number, since it uses less digits than its factorization.
87081356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702304 (or 702302 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 87081356 is about 9331.7391733803. The cubic root of 87081356 is about 443.2428387977.
The spelling of 87081356 in words is "eighty-seven million, eighty-one thousand, three hundred fifty-six".
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