Base | Representation |
---|---|
bin | 1001101000100… |
… | …10001000111110 |
3 | 12122001210212100 |
4 | 10310102020332 |
5 | 131142032104 |
6 | 12004045530 |
7 | 2000625144 |
oct | 464221076 |
9 | 178053770 |
10 | 80814654 |
11 | 41688278 |
12 | 230938a6 |
13 | 1398712b |
14 | aa39594 |
15 | 7165139 |
hex | 4d1223e |
80814654 has 12 divisors (see below), whose sum is σ = 175098456. Its totient is φ = 26938212.
The previous prime is 80814653. The next prime is 80814659. The reversal of 80814654 is 45641808.
It is a super-2 number, since 2×808146542 = 13062016602279432, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80814653) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2244834 + ... + 2244869.
It is an arithmetic number, because the mean of its divisors is an integer number (14591538).
Almost surely, 280814654 is an apocalyptic number.
80814654 is an abundant number, since it is smaller than the sum of its proper divisors (94283802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80814654 is a wasteful number, since it uses less digits than its factorization.
80814654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4489711 (or 4489708 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 80814654 is about 8989.6971027950. The cubic root of 80814654 is about 432.3446003013.
The spelling of 80814654 in words is "eighty million, eight hundred fourteen thousand, six hundred fifty-four".
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