Base | Representation |
---|---|
bin | 1001101001100… |
… | …00100010011011 |
3 | 12122022010122210 |
4 | 10310300202123 |
5 | 131210023123 |
6 | 12010450203 |
7 | 2001654144 |
oct | 464604233 |
9 | 178263583 |
10 | 80939163 |
11 | 41762878 |
12 | 23133963 |
13 | 139cb9c6 |
14 | aa6cacb |
15 | 718be93 |
hex | 4d3089b |
80939163 has 8 divisors (see below), whose sum is σ = 108103248. Its totient is φ = 53867264.
The previous prime is 80939161. The next prime is 80939167. The reversal of 80939163 is 36193908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80939163 - 21 = 80939161 is a prime.
It is a super-3 number, since 3×809391633 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (80939161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20970 + ... + 24527.
It is an arithmetic number, because the mean of its divisors is an integer number (13512906).
Almost surely, 280939163 is an apocalyptic number.
80939163 is a deficient number, since it is larger than the sum of its proper divisors (27164085).
80939163 is a wasteful number, since it uses less digits than its factorization.
80939163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46093.
The product of its (nonzero) digits is 34992, while the sum is 39.
The square root of 80939163 is about 8996.6195318019. The cubic root of 80939163 is about 432.5665203352.
The spelling of 80939163 in words is "eighty million, nine hundred thirty-nine thousand, one hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •