Base | Representation |
---|---|
bin | 1001101001100… |
… | …00111101001011 |
3 | 12122022020000012 |
4 | 10310300331023 |
5 | 131210102000 |
6 | 12010502135 |
7 | 2001662141 |
oct | 464607513 |
9 | 178266005 |
10 | 80940875 |
11 | 41764094 |
12 | 2313494b |
13 | 139cc712 |
14 | aa6d591 |
15 | 718c735 |
hex | 4d30f4b |
80940875 has 8 divisors (see below), whose sum is σ = 101014368. Its totient is φ = 64752600.
The previous prime is 80940869. The next prime is 80940889. The reversal of 80940875 is 57804908.
It is not a de Polignac number, because 80940875 - 226 = 13832011 is a prime.
It is a Duffinian 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, 323639 + ... + 323888.
It is an arithmetic number, because the mean of its divisors is an integer number (12626796).
Almost surely, 280940875 is an apocalyptic number.
80940875 is a deficient number, since it is larger than the sum of its proper divisors (20073493).
80940875 is an equidigital number, since it uses as much as digits as its factorization.
80940875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 647542 (or 647532 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 80940875 is about 8996.7146781478. The cubic root of 80940875 is about 432.5695701511.
The spelling of 80940875 in words is "eighty million, nine hundred forty thousand, eight hundred seventy-five".
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