Base | Representation |
---|---|
bin | 1010011011000… |
… | …10010000010000 |
3 | 20002112010020210 |
4 | 11031202100100 |
5 | 134340344011 |
6 | 12402004120 |
7 | 2111115240 |
oct | 515422020 |
9 | 202463223 |
10 | 87434256 |
11 | 45399718 |
12 | 25346640 |
13 | 15164160 |
14 | b87db20 |
15 | 7a216a6 |
hex | 5362410 |
87434256 has 160 divisors (see below), whose sum is σ = 286037248. Its totient is φ = 22394880.
The previous prime is 87434231. The next prime is 87434267. The reversal of 87434256 is 65243478.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161346 + ... + 161886.
Almost surely, 287434256 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 87434256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143018624).
87434256 is an abundant number, since it is smaller than the sum of its proper divisors (198602992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87434256 is a wasteful number, since it uses less digits than its factorization.
87434256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609 (or 603 counting only the distinct ones).
The product of its digits is 161280, while the sum is 39.
The square root of 87434256 is about 9350.6286419684. The cubic root of 87434256 is about 443.8407837535.
The spelling of 87434256 in words is "eighty-seven million, four hundred thirty-four thousand, two hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •