Base | Representation |
---|---|
bin | 1001100111100… |
… | …01011101010100 |
3 | 12121211000020100 |
4 | 10303301131110 |
5 | 131123241123 |
6 | 12001134100 |
7 | 1666526646 |
oct | 463613524 |
9 | 177730210 |
10 | 80680788 |
11 | 415a6741 |
12 | 2302a330 |
13 | 1393b216 |
14 | aa02896 |
15 | 713a643 |
hex | 4cf1754 |
80680788 has 36 divisors (see below), whose sum is σ = 204422400. Its totient is φ = 26830416.
The previous prime is 80680777. The next prime is 80680823. The reversal of 80680788 is 88708608.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
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, 14413 + ... + 19211.
It is an arithmetic number, because the mean of its divisors is an integer number (5678400).
Almost surely, 280680788 is an apocalyptic number.
It is an amenable number.
80680788 is an abundant number, since it is smaller than the sum of its proper divisors (123741612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80680788 is a wasteful number, since it uses less digits than its factorization.
80680788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5276 (or 5271 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 45.
The square root of 80680788 is about 8982.2484935566. The cubic root of 80680788 is about 432.1057482890.
The spelling of 80680788 in words is "eighty million, six hundred eighty thousand, seven hundred eighty-eight".
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