Base | Representation |
---|---|
bin | 1010011010110… |
… | …10111001011100 |
3 | 20002110120220210 |
4 | 11031122321130 |
5 | 134333412444 |
6 | 12401212420 |
7 | 2110631343 |
oct | 515327134 |
9 | 202416823 |
10 | 87404124 |
11 | 45379015 |
12 | 25331110 |
13 | 15153522 |
14 | b872b5a |
15 | 7a177b9 |
hex | 535ae5c |
87404124 has 24 divisors (see below), whose sum is σ = 206817408. Its totient is φ = 28724080.
The previous prime is 87404111. The next prime is 87404131. The reversal of 87404124 is 42140478.
It is a junction number, because it is equal to n+sod(n) for n = 87404091 and 87404100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50442 + ... + 52145.
It is an arithmetic number, because the mean of its divisors is an integer number (8617392).
Almost surely, 287404124 is an apocalyptic number.
It is an amenable number.
87404124 is an abundant number, since it is smaller than the sum of its proper divisors (119413284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87404124 is a wasteful number, since it uses less digits than its factorization.
87404124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102665 (or 102663 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 30.
The square root of 87404124 is about 9349.0172745589. The cubic root of 87404124 is about 443.7897917369.
The spelling of 87404124 in words is "eighty-seven million, four hundred four thousand, one hundred twenty-four".
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