Base | Representation |
---|---|
bin | 1010011011000… |
… | …10000010110000 |
3 | 20002112002001210 |
4 | 11031202002300 |
5 | 134340332032 |
6 | 12402000120 |
7 | 2111112564 |
oct | 515420260 |
9 | 202462053 |
10 | 87433392 |
11 | 45399002 |
12 | 25346040 |
13 | 15163947 |
14 | b87d6a4 |
15 | 7a212cc |
hex | 53620b0 |
87433392 has 80 divisors (see below), whose sum is σ = 236905472. Its totient is φ = 27751680.
The previous prime is 87433391. The next prime is 87433399. The reversal of 87433392 is 29333478.
It is a self number, because there is not a number n which added to its sum of digits gives 87433392.
It is not an unprimeable number, because it can be changed into a prime (87433391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99258 + ... + 100134.
Almost surely, 287433392 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 87433392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118452736).
87433392 is an abundant number, since it is smaller than the sum of its proper divisors (149472080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87433392 is a wasteful number, since it uses less digits than its factorization.
87433392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 986 (or 980 counting only the distinct ones).
The product of its digits is 108864, while the sum is 39.
The square root of 87433392 is about 9350.5824417520. The cubic root of 87433392 is about 443.8393217800.
The spelling of 87433392 in words is "eighty-seven million, four hundred thirty-three thousand, three hundred ninety-two".
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