Base | Representation |
---|---|
bin | 1010111000011… |
… | …01010001010010 |
3 | 20100202112021000 |
4 | 11130031101102 |
5 | 141331433331 |
6 | 13020242430 |
7 | 2155604544 |
oct | 534152122 |
9 | 210675230 |
10 | 91280466 |
11 | 47586402 |
12 | 266a0416 |
13 | 15baca14 |
14 | c1a1694 |
15 | 80310e6 |
hex | 570d452 |
91280466 has 32 divisors (see below), whose sum is σ = 204321600. Its totient is φ = 30205440.
The previous prime is 91280459. The next prime is 91280507. The reversal of 91280466 is 66408219.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 91280466.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426 + ... + 13586.
It is an arithmetic number, because the mean of its divisors is an integer number (6385050).
Almost surely, 291280466 is an apocalyptic number.
91280466 is an abundant number, since it is smaller than the sum of its proper divisors (113041134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91280466 is a wasteful number, since it uses less digits than its factorization.
91280466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12311 (or 12305 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 91280466 is about 9554.0811175120. The cubic root of 91280466 is about 450.2557657145.
The spelling of 91280466 in words is "ninety-one million, two hundred eighty thousand, four hundred sixty-six".
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