Base | Representation |
---|---|
bin | 1010010101101… |
… | …10101001000010 |
3 | 20001012102000111 |
4 | 11022312221002 |
5 | 134200400310 |
6 | 12334541534 |
7 | 2102130010 |
oct | 512665102 |
9 | 201172014 |
10 | 86731330 |
11 | 44a59594 |
12 | 250678aa |
13 | 14c7921a |
14 | b7398b0 |
15 | 793328a |
hex | 52b6a42 |
86731330 has 32 divisors (see below), whose sum is σ = 183246336. Its totient is φ = 28931904.
The previous prime is 86731327. The next prime is 86731343. The reversal of 86731330 is 3313768.
It is a junction number, because it is equal to n+sod(n) for n = 86731292 and 86731301.
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, 14154 + ... + 19333.
It is an arithmetic number, because the mean of its divisors is an integer number (5726448).
Almost surely, 286731330 is an apocalyptic number.
86731330 is an abundant number, since it is smaller than the sum of its proper divisors (96515006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86731330 is a wasteful number, since it uses less digits than its factorization.
86731330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33538.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 86731330 is about 9312.9656930540. The cubic root of 86731330 is about 442.6481655618.
The spelling of 86731330 in words is "eighty-six million, seven hundred thirty-one thousand, three hundred thirty".
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