Base | Representation |
---|---|
bin | 1001101000111… |
… | …01010111010100 |
3 | 12122011010221002 |
4 | 10310131113110 |
5 | 131200020003 |
6 | 12005042432 |
7 | 2001206162 |
oct | 464352724 |
9 | 178133832 |
10 | 80860628 |
11 | 41709872 |
12 | 230b6418 |
13 | 139a2034 |
14 | aa4c232 |
15 | 7173a88 |
hex | 4d1d5d4 |
80860628 has 12 divisors (see below), whose sum is σ = 141845172. Its totient is φ = 40333440.
The previous prime is 80860627. The next prime is 80860643. The reversal of 80860628 is 82606808.
It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 76073284 = 2188^2 + 8722^2 .
It is a junction number, because it is equal to n+sod(n) for n = 80860591 and 80860600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80860627) 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, 22325 + ... + 25692.
It is an arithmetic number, because the mean of its divisors is an integer number (11820431).
Almost surely, 280860628 is an apocalyptic number.
It is an amenable number.
80860628 is a deficient number, since it is larger than the sum of its proper divisors (60984544).
80860628 is a wasteful number, since it uses less digits than its factorization.
80860628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48442 (or 48440 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 80860628 is about 8992.2537775577. The cubic root of 80860628 is about 432.4265691098.
The spelling of 80860628 in words is "eighty million, eight hundred sixty thousand, six hundred twenty-eight".
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