Base | Representation |
---|---|
bin | 1001100101001… |
… | …10010011000000 |
3 | 12121020100221010 |
4 | 10302212103000 |
5 | 131033413203 |
6 | 11550400520 |
7 | 1664105256 |
oct | 462462300 |
9 | 177210833 |
10 | 80372928 |
11 | 41406409 |
12 | 22b00140 |
13 | 1386105c |
14 | a9625d6 |
15 | 70c9303 |
hex | 4ca64c0 |
80372928 has 42 divisors (see below), whose sum is σ = 212982556. Its totient is φ = 26749568.
The previous prime is 80372911. The next prime is 80372947. The reversal of 80372928 is 82927308.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123901 + ... + 124547.
Almost surely, 280372928 is an apocalyptic number.
It is an amenable number.
80372928 is an abundant number, since it is smaller than the sum of its proper divisors (132609628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80372928 is an frugal number, since it uses more digits than its factorization.
80372928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1309 (or 652 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 80372928 is about 8965.0949799765. The cubic root of 80372928 is about 431.5554411652. Note that the first 3 decimals are identical.
The spelling of 80372928 in words is "eighty million, three hundred seventy-two thousand, nine hundred twenty-eight".
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