Base | Representation |
---|---|
bin | 1001100011000… |
… | …00101111011111 |
3 | 12120200220010101 |
4 | 10301200233133 |
5 | 131000304111 |
6 | 11540321531 |
7 | 1661510542 |
oct | 461405737 |
9 | 176626111 |
10 | 80088031 |
11 | 41231361 |
12 | 229a32a7 |
13 | 1379148a |
14 | a8ca859 |
15 | 706ebc1 |
hex | 4c60bdf |
80088031 has 2 divisors, whose sum is σ = 80088032. Its totient is φ = 80088030.
The previous prime is 80088007. The next prime is 80088049. The reversal of 80088031 is 13088008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80088031 - 25 = 80087999 is a prime.
It is a super-2 number, since 2×800880312 = 12828185418913922, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80088061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40044015 + 40044016.
It is an arithmetic number, because the mean of its divisors is an integer number (40044016).
Almost surely, 280088031 is an apocalyptic number.
80088031 is a deficient number, since it is larger than the sum of its proper divisors (1).
80088031 is an equidigital number, since it uses as much as digits as its factorization.
80088031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 80088031 is about 8949.1916394722. The cubic root of 80088031 is about 431.0449276041.
It can be divided in two parts, 800 and 88031, that added together give a triangular number (88831 = T421).
The spelling of 80088031 in words is "eighty million, eighty-eight thousand, thirty-one".
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