Base | Representation |
---|---|
bin | 1001101001111… |
… | …10011001100010 |
3 | 12122102000112120 |
4 | 10310332121202 |
5 | 131213332223 |
6 | 12012005110 |
7 | 2002311522 |
oct | 464763142 |
9 | 178360476 |
10 | 80995938 |
11 | 417a14a1 |
12 | 23160796 |
13 | 13a1b7ba |
14 | aa85682 |
15 | 719dbe3 |
hex | 4d3e662 |
80995938 has 32 divisors (see below), whose sum is σ = 164440320. Its totient is φ = 26593920.
The previous prime is 80995921. The next prime is 80995979. The reversal of 80995938 is 83959908.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177006 + ... + 177462.
It is an arithmetic number, because the mean of its divisors is an integer number (5138760).
Almost surely, 280995938 is an apocalyptic number.
80995938 is an abundant number, since it is smaller than the sum of its proper divisors (83444382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80995938 is a wasteful number, since it uses less digits than its factorization.
80995938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842.
The product of its (nonzero) digits is 699840, while the sum is 51.
The square root of 80995938 is about 8999.7743305041. The cubic root of 80995938 is about 432.6676383568.
The spelling of 80995938 in words is "eighty million, nine hundred ninety-five thousand, nine hundred thirty-eight".
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