Base | Representation |
---|---|
bin | 1001101001000… |
… | …01111100110100 |
3 | 12122012002200210 |
4 | 10310201330310 |
5 | 131201120122 |
6 | 12005305420 |
7 | 2001315015 |
oct | 464417464 |
9 | 178162623 |
10 | 80879412 |
11 | 41721999 |
12 | 23105270 |
13 | 139aa753 |
14 | aa5500c |
15 | 717940c |
hex | 4d21f34 |
80879412 has 24 divisors (see below), whose sum is σ = 191814112. Its totient is φ = 26517600.
The previous prime is 80879399. The next prime is 80879413. The reversal of 80879412 is 21497808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80879413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54514 + ... + 55977.
Almost surely, 280879412 is an apocalyptic number.
It is an amenable number.
80879412 is an abundant number, since it is smaller than the sum of its proper divisors (110934700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80879412 is a wasteful number, since it uses less digits than its factorization.
80879412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110559 (or 110557 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 80879412 is about 8993.2981714163. The cubic root of 80879412 is about 432.4600508837.
The spelling of 80879412 in words is "eighty million, eight hundred seventy-nine thousand, four hundred twelve".
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