Base | Representation |
---|---|
bin | 1001100111100… |
… | …11000011001000 |
3 | 12121211100011200 |
4 | 10303303003020 |
5 | 131123443204 |
6 | 12001224200 |
7 | 1666554645 |
oct | 463630310 |
9 | 177740150 |
10 | 80687304 |
11 | 41600625 |
12 | 23032060 |
13 | 13941189 |
14 | aa04dcc |
15 | 713c539 |
hex | 4cf30c8 |
80687304 has 48 divisors (see below), whose sum is σ = 231386220. Its totient is φ = 25313280.
The previous prime is 80687273. The next prime is 80687329. The reversal of 80687304 is 40378608.
It can be written as a sum of positive squares in 2 ways, for example, as 79174404 + 1512900 = 8898^2 + 1230^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 31737 + ... + 34184.
Almost surely, 280687304 is an apocalyptic number.
It is an amenable number.
80687304 is an abundant number, since it is smaller than the sum of its proper divisors (150698916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80687304 is a wasteful number, since it uses less digits than its factorization.
80687304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65950 (or 65943 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 80687304 is about 8982.6112016496. The cubic root of 80687304 is about 432.1173806545.
The spelling of 80687304 in words is "eighty million, six hundred eighty-seven thousand, three hundred four".
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