Base | Representation |
---|---|
bin | 1010011110000… |
… | …11110110101001 |
3 | 20010021102122001 |
4 | 11033003312221 |
5 | 134441142100 |
6 | 12414331001 |
7 | 2114401606 |
oct | 517036651 |
9 | 203242561 |
10 | 87834025 |
11 | 45642004 |
12 | 254b9a61 |
13 | 152740c6 |
14 | b9456ad |
15 | 7a9ed6a |
hex | 53c3da9 |
87834025 has 12 divisors (see below), whose sum is σ = 109436944. Its totient is φ = 69930000.
The previous prime is 87834007. The next prime is 87834031. The reversal of 87834025 is 52043878.
It is not a de Polignac number, because 87834025 - 27 = 87833897 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051 + ... + 13600.
Almost surely, 287834025 is an apocalyptic number.
It is an amenable number.
87834025 is a deficient number, since it is larger than the sum of its proper divisors (21602919).
87834025 is a wasteful number, since it uses less digits than its factorization.
87834025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16872 (or 16867 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 87834025 is about 9371.9808471849. The cubic root of 87834025 is about 444.5162018976.
The spelling of 87834025 in words is "eighty-seven million, eight hundred thirty-four thousand, twenty-five".
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