Base | Representation |
---|---|
bin | 1010011110101… |
… | …01110000111010 |
3 | 20010102011021010 |
4 | 11033111300322 |
5 | 140001014021 |
6 | 12420054350 |
7 | 2115125520 |
oct | 517256072 |
9 | 203364233 |
10 | 87907386 |
11 | 45692136 |
12 | 255343b6 |
13 | 1529b608 |
14 | b964310 |
15 | 7ab6976 |
hex | 53d5c3a |
87907386 has 32 divisors (see below), whose sum is σ = 201277440. Its totient is φ = 25073136.
The previous prime is 87907373. The next prime is 87907399. The reversal of 87907386 is 68370978.
It is an interprime number because it is at equal distance from previous prime (87907373) and next prime (87907399).
It is a nialpdrome in base 14.
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, 29095 + ... + 31973.
It is an arithmetic number, because the mean of its divisors is an integer number (6289920).
Almost surely, 287907386 is an apocalyptic number.
87907386 is an abundant number, since it is smaller than the sum of its proper divisors (113370054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87907386 is a wasteful number, since it uses less digits than its factorization.
87907386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3618.
The product of its (nonzero) digits is 508032, while the sum is 48.
The square root of 87907386 is about 9375.8938773858. The cubic root of 87907386 is about 444.6399241810.
The spelling of 87907386 in words is "eighty-seven million, nine hundred seven thousand, three hundred eighty-six".
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