Base | Representation |
---|---|
bin | 1010011100100… |
… | …10000110110100 |
3 | 20002220002010012 |
4 | 11032102012310 |
5 | 134413132020 |
6 | 12410115352 |
7 | 2112562544 |
oct | 516220664 |
9 | 202802105 |
10 | 87630260 |
11 | 45512a03 |
12 | 2541bb58 |
13 | 15202433 |
14 | b8d1324 |
15 | 7a5e7c5 |
hex | 53921b4 |
87630260 has 12 divisors (see below), whose sum is σ = 184023588. Its totient is φ = 35052096.
The previous prime is 87630241. The next prime is 87630271. The reversal of 87630260 is 6203678.
It can be written as a sum of positive squares in 2 ways, for example, as 44649124 + 42981136 = 6682^2 + 6556^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 2190737 + ... + 2190776.
It is an arithmetic number, because the mean of its divisors is an integer number (15335299).
Almost surely, 287630260 is an apocalyptic number.
It is an amenable number.
87630260 is an abundant number, since it is smaller than the sum of its proper divisors (96393328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87630260 is a wasteful number, since it uses less digits than its factorization.
87630260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4381522 (or 4381520 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 87630260 is about 9361.1035674220. The cubic root of 87630260 is about 444.1721933088.
The spelling of 87630260 in words is "eighty-seven million, six hundred thirty thousand, two hundred sixty".
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