Base | Representation |
---|---|
bin | 1001100111100… |
… | …00001011111100 |
3 | 12121210202002110 |
4 | 10303300023330 |
5 | 131123104310 |
6 | 12001054020 |
7 | 1666505526 |
oct | 463601374 |
9 | 177722073 |
10 | 80675580 |
11 | 415a2837 |
12 | 23027310 |
13 | 13938a3b |
14 | aa00a16 |
15 | 7138d20 |
hex | 4cf02fc |
80675580 has 24 divisors (see below), whose sum is σ = 225891792. Its totient is φ = 21513472.
The previous prime is 80675533. The next prime is 80675599. The reversal of 80675580 is 8557608.
It is a happy number.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
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, 672237 + ... + 672356.
It is an arithmetic number, because the mean of its divisors is an integer number (9412158).
Almost surely, 280675580 is an apocalyptic number.
It is an amenable number.
80675580 is an abundant number, since it is smaller than the sum of its proper divisors (145216212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80675580 is a wasteful number, since it uses less digits than its factorization.
80675580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1344605 (or 1344603 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 39.
The square root of 80675580 is about 8981.9585837388. The cubic root of 80675580 is about 432.0964505151.
The spelling of 80675580 in words is "eighty million, six hundred seventy-five thousand, five hundred eighty".
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