Base | Representation |
---|---|
bin | 1001100010100… |
… | …10111110011010 |
3 | 12120121000202220 |
4 | 10301102332122 |
5 | 130442003032 |
6 | 11535204510 |
7 | 1661154255 |
oct | 461227632 |
9 | 176530686 |
10 | 80031642 |
11 | 411a2a59 |
12 | 22976736 |
13 | 13771902 |
14 | a8b409c |
15 | 705d12c |
hex | 4c52f9a |
80031642 has 8 divisors (see below), whose sum is σ = 160063296. Its totient is φ = 26677212.
The previous prime is 80031641. The next prime is 80031649. The reversal of 80031642 is 24613008.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
80031642 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (80031641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6669298 + ... + 6669309.
It is an arithmetic number, because the mean of its divisors is an integer number (20007912).
Almost surely, 280031642 is an apocalyptic number.
80031642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80031642 is a wasteful number, since it uses less digits than its factorization.
80031642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13338612.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 80031642 is about 8946.0405767021. The cubic root of 80031642 is about 430.9437393703.
The spelling of 80031642 in words is "eighty million, thirty-one thousand, six hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •