Base | Representation |
---|---|
bin | 1001100110101… |
… | …11111001010000 |
3 | 12121121200121021 |
4 | 10303113321100 |
5 | 131111413310 |
6 | 11555005224 |
7 | 1665612454 |
oct | 463277120 |
9 | 177550537 |
10 | 80576080 |
11 | 41535002 |
12 | 22b99814 |
13 | 13902670 |
14 | a9b6664 |
15 | 71195da |
hex | 4cd7e50 |
80576080 has 40 divisors (see below), whose sum is σ = 201752712. Its totient is φ = 29750784.
The previous prime is 80576063. The next prime is 80576101. The reversal of 80576080 is 8067508.
It can be written as a sum of positive squares in 4 ways, for example, as 9072144 + 71503936 = 3012^2 + 8456^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37699 + ... + 39778.
Almost surely, 280576080 is an apocalyptic number.
80576080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80576080 is an abundant number, since it is smaller than the sum of its proper divisors (121176632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80576080 is a wasteful number, since it uses less digits than its factorization.
80576080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77503 (or 77497 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The square root of 80576080 is about 8976.4179938325. The cubic root of 80576080 is about 431.9187375727.
The spelling of 80576080 in words is "eighty million, five hundred seventy-six thousand, eighty".
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