Base | Representation |
---|---|
bin | 1010011110101… |
… | …11000000101000 |
3 | 20010102102021002 |
4 | 11033113000220 |
5 | 140001144423 |
6 | 12420134132 |
7 | 2115146426 |
oct | 517270050 |
9 | 203372232 |
10 | 87912488 |
11 | 45695a54 |
12 | 25537348 |
13 | 152a0a31 |
14 | b966116 |
15 | 7ab8228 |
hex | 53d7028 |
87912488 has 16 divisors (see below), whose sum is σ = 164935680. Its totient is φ = 43929648.
The previous prime is 87912467. The next prime is 87912523. The reversal of 87912488 is 88421978.
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, 22745 + ... + 26327.
It is an arithmetic number, because the mean of its divisors is an integer number (10308480).
Almost surely, 287912488 is an apocalyptic number.
It is an amenable number.
87912488 is a deficient number, since it is larger than the sum of its proper divisors (77023192).
87912488 is a wasteful number, since it uses less digits than its factorization.
87912488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6656 (or 6652 counting only the distinct ones).
The product of its digits is 258048, while the sum is 47.
The square root of 87912488 is about 9376.1659541627. The cubic root of 87912488 is about 444.6485260710.
The spelling of 87912488 in words is "eighty-seven million, nine hundred twelve thousand, four hundred eighty-eight".
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