Base | Representation |
---|---|
bin | 1010011010000… |
… | …11010010101000 |
3 | 20002021200021121 |
4 | 11031003102220 |
5 | 134322314212 |
6 | 12355145024 |
7 | 2110046422 |
oct | 515032250 |
9 | 202250247 |
10 | 87307432 |
11 | 45312403 |
12 | 252a5174 |
13 | 1511b504 |
14 | b849812 |
15 | 79e8d07 |
hex | 53434a8 |
87307432 has 32 divisors (see below), whose sum is σ = 174909600. Its totient is φ = 40734144.
The previous prime is 87307421. The next prime is 87307453. The reversal of 87307432 is 23470378.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5898 + ... + 14470.
It is an arithmetic number, because the mean of its divisors is an integer number (5465925).
Almost surely, 287307432 is an apocalyptic number.
It is an amenable number.
87307432 is an abundant number, since it is smaller than the sum of its proper divisors (87602168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87307432 is a wasteful number, since it uses less digits than its factorization.
87307432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8665 (or 8661 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 34.
The square root of 87307432 is about 9343.8446048722. The cubic root of 87307432 is about 443.6260818572.
The spelling of 87307432 in words is "eighty-seven million, three hundred seven thousand, four hundred thirty-two".
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