Base | Representation |
---|---|
bin | 1001100111100… |
… | …01010111010010 |
3 | 12121210222201001 |
4 | 10303301113102 |
5 | 131123233102 |
6 | 12001132214 |
7 | 1666525555 |
oct | 463612722 |
9 | 177728631 |
10 | 80680402 |
11 | 415a6420 |
12 | 2302a06a |
13 | 1393acaa |
14 | aa0269c |
15 | 713a487 |
hex | 4cf15d2 |
80680402 has 16 divisors (see below), whose sum is σ = 139789152. Its totient is φ = 34515520.
The previous prime is 80680393. The next prime is 80680417. The reversal of 80680402 is 20408608.
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, 107488 + ... + 108235.
It is an arithmetic number, because the mean of its divisors is an integer number (8736822).
Almost surely, 280680402 is an apocalyptic number.
80680402 is a deficient number, since it is larger than the sum of its proper divisors (59108750).
80680402 is a wasteful number, since it uses less digits than its factorization.
80680402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215753.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 80680402 is about 8982.2270067061. The cubic root of 80680402 is about 432.1050591820.
The spelling of 80680402 in words is "eighty million, six hundred eighty thousand, four hundred two".
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