Base | Representation |
---|---|
bin | 1001100101011… |
… | …11111110001100 |
3 | 12121022101021211 |
4 | 10302233332030 |
5 | 131041200211 |
6 | 11551304204 |
7 | 1664331640 |
oct | 462577614 |
9 | 177271254 |
10 | 80412556 |
11 | 41433164 |
12 | 22b1b064 |
13 | 138760c3 |
14 | a972c20 |
15 | 70d5e21 |
hex | 4caff8c |
80412556 has 12 divisors (see below), whose sum is σ = 160825168. Its totient is φ = 34462512.
The previous prime is 80412547. The next prime is 80412571. The reversal of 80412556 is 65521408.
80412556 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435911 + ... + 1435966.
Almost surely, 280412556 is an apocalyptic number.
It is an amenable number.
80412556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80412556 is a wasteful number, since it uses less digits than its factorization.
80412556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2871888 (or 2871886 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 80412556 is about 8967.3048347873. The cubic root of 80412556 is about 431.6263558772.
The spelling of 80412556 in words is "eighty million, four hundred twelve thousand, five hundred fifty-six".
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