Base | Representation |
---|---|
bin | 1010011001100… |
… | …10000011100000 |
3 | 20002011002102210 |
4 | 11030302003200 |
5 | 134313034312 |
6 | 12353442120 |
7 | 2106333534 |
oct | 514620340 |
9 | 202132383 |
10 | 87236832 |
11 | 45274361 |
12 | 25270340 |
13 | 150c5337 |
14 | b82bbc4 |
15 | 79d2e3c |
hex | 53320e0 |
87236832 has 48 divisors (see below), whose sum is σ = 232766352. Its totient is φ = 28600320.
The previous prime is 87236819. The next prime is 87236899. The reversal of 87236832 is 23863278.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×872368322 = 15220529714792448, which contains 22 as substring.
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, 1593 + ... + 13304.
It is an arithmetic number, because the mean of its divisors is an integer number (4849299).
Almost surely, 287236832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87236832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116383176).
87236832 is an abundant number, since it is smaller than the sum of its proper divisors (145529520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87236832 is a wasteful number, since it uses less digits than its factorization.
87236832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14971 (or 14963 counting only the distinct ones).
The product of its digits is 96768, while the sum is 39.
The square root of 87236832 is about 9340.0659526579. The cubic root of 87236832 is about 443.5064721568.
The spelling of 87236832 in words is "eighty-seven million, two hundred thirty-six thousand, eight hundred thirty-two".
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