Base | Representation |
---|---|
bin | 1010011011000… |
… | …01110001011100 |
3 | 20002112000112202 |
4 | 11031201301130 |
5 | 134340313114 |
6 | 12401551032 |
7 | 2111106422 |
oct | 515416134 |
9 | 202460482 |
10 | 87432284 |
11 | 45398195 |
12 | 25345478 |
13 | 151632a4 |
14 | b87d112 |
15 | 7a20cde |
hex | 5361c5c |
87432284 has 12 divisors (see below), whose sum is σ = 153549144. Its totient is φ = 43561104.
The previous prime is 87432259. The next prime is 87432299. The reversal of 87432284 is 48223478.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37487 + ... + 39750.
It is an arithmetic number, because the mean of its divisors is an integer number (12795762).
Almost surely, 287432284 is an apocalyptic number.
It is an amenable number.
87432284 is a deficient number, since it is larger than the sum of its proper divisors (66116860).
87432284 is a wasteful number, since it uses less digits than its factorization.
87432284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77524 (or 77522 counting only the distinct ones).
The product of its digits is 86016, while the sum is 38.
The square root of 87432284 is about 9350.5231939181. The cubic root of 87432284 is about 443.8374469202.
The spelling of 87432284 in words is "eighty-seven million, four hundred thirty-two thousand, two hundred eighty-four".
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