Base | Representation |
---|---|
bin | 1001100111111… |
… | …00100111000110 |
3 | 12121220022220021 |
4 | 10303330213012 |
5 | 131131221340 |
6 | 12002125354 |
7 | 2000110066 |
oct | 463744706 |
9 | 177808807 |
10 | 80726470 |
11 | 41627aa0 |
12 | 2305085a |
13 | 13955c56 |
14 | aa153a6 |
15 | 7148e4a |
hex | 4cfc9c6 |
80726470 has 32 divisors (see below), whose sum is σ = 158941440. Its totient is φ = 29276640.
The previous prime is 80726453. The next prime is 80726479. The reversal of 80726470 is 7462708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80726479) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54601 + ... + 56059.
It is an arithmetic number, because the mean of its divisors is an integer number (4966920).
Almost surely, 280726470 is an apocalyptic number.
80726470 is a deficient number, since it is larger than the sum of its proper divisors (78214970).
80726470 is a wasteful number, since it uses less digits than its factorization.
80726470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1980.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 80726470 is about 8984.7910381934. The cubic root of 80726470 is about 432.1872866201.
The spelling of 80726470 in words is "eighty million, seven hundred twenty-six thousand, four hundred seventy".
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