Base | Representation |
---|---|
bin | 1001100111110… |
… | …01001110000000 |
3 | 12121212121211200 |
4 | 10303321032000 |
5 | 131130300301 |
6 | 12001541200 |
7 | 2000021430 |
oct | 463711600 |
9 | 177777750 |
10 | 80712576 |
11 | 4161860a |
12 | 23044800 |
13 | 1394c829 |
14 | aa102c0 |
15 | 7144c86 |
hex | 4cf9380 |
80712576 has 96 divisors (see below), whose sum is σ = 265465200. Its totient is φ = 23058432.
The previous prime is 80712529. The next prime is 80712581. The reversal of 80712576 is 67521708.
80712576 is a `hidden beast` number, since 80 + 7 + 1 + 2 + 576 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 80712576.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3060 + ... + 13068.
Almost surely, 280712576 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80712576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132732600).
80712576 is an abundant number, since it is smaller than the sum of its proper divisors (184752624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80712576 is a wasteful number, since it uses less digits than its factorization.
80712576 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10036 (or 10021 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 80712576 is about 8984.0178094214. The cubic root of 80712576 is about 432.1624903144.
The spelling of 80712576 in words is "eighty million, seven hundred twelve thousand, five hundred seventy-six".
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