Base | Representation |
---|---|
bin | 1001000110111… |
… | …00010111010000 |
3 | 12022202112012121 |
4 | 10203130113100 |
5 | 124024300310 |
6 | 11325304024 |
7 | 1615250521 |
oct | 443342720 |
9 | 168675177 |
10 | 76400080 |
11 | 3a142569 |
12 | 21705014 |
13 | 12a9c963 |
14 | a20a848 |
15 | 6a920da |
hex | 48dc5d0 |
76400080 has 40 divisors (see below), whose sum is σ = 178560000. Its totient is φ = 30400128.
The previous prime is 76400069. The next prime is 76400113. The reversal of 76400080 is 8000467.
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, 13521 + ... + 18319.
It is an arithmetic number, because the mean of its divisors is an integer number (4464000).
Almost surely, 276400080 is an apocalyptic number.
It is an amenable number.
76400080 is an abundant number, since it is smaller than the sum of its proper divisors (102159920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76400080 is a wasteful number, since it uses less digits than its factorization.
76400080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5011 (or 5005 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 76400080 is about 8740.7139296513. The cubic root of 76400080 is about 424.3243335435.
The spelling of 76400080 in words is "seventy-six million, four hundred thousand, eighty".
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