Base | Representation |
---|---|
bin | 1001100010111… |
… | …10100110110000 |
3 | 12120200110010021 |
4 | 10301132212300 |
5 | 131000014110 |
6 | 11540213224 |
7 | 1661443201 |
oct | 461364660 |
9 | 176613107 |
10 | 80079280 |
11 | 41225826 |
12 | 2299a214 |
13 | 1378a4b8 |
14 | a8c75a8 |
15 | 706c2da |
hex | 4c5e9b0 |
80079280 has 40 divisors (see below), whose sum is σ = 186706800. Its totient is φ = 31941888.
The previous prime is 80079277. The next prime is 80079283. The reversal of 80079280 is 8297008.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80079277) and next prime (80079283).
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (80079283) 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, 32326 + ... + 34714.
It is an arithmetic number, because the mean of its divisors is an integer number (4667670).
Almost surely, 280079280 is an apocalyptic number.
80079280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80079280 is an abundant number, since it is smaller than the sum of its proper divisors (106627520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80079280 is a wasteful number, since it uses less digits than its factorization.
80079280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2821 (or 2815 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 80079280 is about 8948.7026992743. The cubic root of 80079280 is about 431.0292273323.
The spelling of 80079280 in words is "eighty million, seventy-nine thousand, two hundred eighty".
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