Base | Representation |
---|---|
bin | 1001101000011… |
… | …01011100110010 |
3 | 12122000211111210 |
4 | 10310031130302 |
5 | 131140423232 |
6 | 12003420550 |
7 | 2000515140 |
oct | 464153462 |
9 | 178024453 |
10 | 80795442 |
11 | 416748a2 |
12 | 23084756 |
13 | 1397b470 |
14 | aa32590 |
15 | 715e5cc |
hex | 4d0d732 |
80795442 has 32 divisors (see below), whose sum is σ = 198882432. Its totient is φ = 21308544.
The previous prime is 80795423. The next prime is 80795447. The reversal of 80795442 is 24459708.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 80795442.
It is not an unprimeable number, because it can be changed into a prime (80795447) 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 15 ways as a sum of consecutive naturals, for example, 73443 + ... + 74534.
It is an arithmetic number, because the mean of its divisors is an integer number (6215076).
Almost surely, 280795442 is an apocalyptic number.
80795442 is an abundant number, since it is smaller than the sum of its proper divisors (118086990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80795442 is a wasteful number, since it uses less digits than its factorization.
80795442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148002.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 80795442 is about 8988.6284826997. The cubic root of 80795442 is about 432.3103372795.
The spelling of 80795442 in words is "eighty million, seven hundred ninety-five thousand, four hundred forty-two".
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