Base | Representation |
---|---|
bin | 1010011000000… |
… | …11000001111000 |
3 | 20001210022012212 |
4 | 11030003001320 |
5 | 134240403331 |
6 | 12345354252 |
7 | 2104602140 |
oct | 514030170 |
9 | 201708185 |
10 | 87044216 |
11 | 45152676 |
12 | 25198988 |
13 | 1505876c |
14 | b7bb920 |
15 | 7995d2b |
hex | 5303078 |
87044216 has 32 divisors (see below), whose sum is σ = 197497440. Its totient is φ = 35109888.
The previous prime is 87044197. The next prime is 87044227. The reversal of 87044216 is 61244078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44765 + ... + 46668.
It is an arithmetic number, because the mean of its divisors is an integer number (6171795).
Almost surely, 287044216 is an apocalyptic number.
It is an amenable number.
87044216 is an abundant number, since it is smaller than the sum of its proper divisors (110453224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87044216 is a wasteful number, since it uses less digits than its factorization.
87044216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91463 (or 91459 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 87044216 is about 9329.7489784024. The cubic root of 87044216 is about 443.1798158167.
The spelling of 87044216 in words is "eighty-seven million, forty-four thousand, two hundred sixteen".
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