Base | Representation |
---|---|
bin | 1010011011000… |
… | …10001010000100 |
3 | 20002112002201010 |
4 | 11031202022010 |
5 | 134340340420 |
6 | 12402002220 |
7 | 2111114133 |
oct | 515421204 |
9 | 202462633 |
10 | 87433860 |
11 | 45399398 |
12 | 25346370 |
13 | 15163c17 |
14 | b87d91a |
15 | 7a214e0 |
hex | 5362284 |
87433860 has 96 divisors (see below), whose sum is σ = 251701632. Its totient is φ = 22671360.
The previous prime is 87433847. The next prime is 87433883. The reversal of 87433860 is 6833478.
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, 482970 + ... + 483150.
It is an arithmetic number, because the mean of its divisors is an integer number (2621892).
Almost surely, 287433860 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 87433860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125850816).
87433860 is an abundant number, since it is smaller than the sum of its proper divisors (164267772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87433860 is a wasteful number, since it uses less digits than its factorization.
87433860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373 (or 371 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 87433860 is about 9350.6074668975. The cubic root of 87433860 is about 443.8401136835.
The spelling of 87433860 in words is "eighty-seven million, four hundred thirty-three thousand, eight hundred sixty".
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