Base | Representation |
---|---|
bin | 1001100101110… |
… | …10100110011010 |
3 | 12121101121000012 |
4 | 10302322212122 |
5 | 131044043330 |
6 | 11552241522 |
7 | 1664602601 |
oct | 462724632 |
9 | 177347005 |
10 | 80456090 |
11 | 41462940 |
12 | 22b402a2 |
13 | 1388cb70 |
14 | a984a38 |
15 | 70e3c95 |
hex | 4cba99a |
80456090 has 32 divisors (see below), whose sum is σ = 170142336. Its totient is φ = 27005760.
The previous prime is 80456071. The next prime is 80456099. The reversal of 80456090 is 9065408.
It is not an unprimeable number, because it can be changed into a prime (80456099) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26702 + ... + 29561.
It is an arithmetic number, because the mean of its divisors is an integer number (5316948).
Almost surely, 280456090 is an apocalyptic number.
80456090 is an abundant number, since it is smaller than the sum of its proper divisors (89686246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80456090 is a wasteful number, since it uses less digits than its factorization.
80456090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56294.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 80456090 is about 8969.7318800508. The cubic root of 80456090 is about 431.7042335653.
The spelling of 80456090 in words is "eighty million, four hundred fifty-six thousand, ninety".
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