Base | Representation |
---|---|
bin | 1111110010001… |
… | …0001110001000 |
3 | 11121120022221202 |
4 | 3330202032020 |
5 | 113421403311 |
6 | 10322523332 |
7 | 1432460150 |
oct | 374421610 |
9 | 147508852 |
10 | 66200456 |
11 | 34406423 |
12 | 1a206548 |
13 | 1093b28a |
14 | 8b13760 |
15 | 5c29e3b |
hex | 3f22388 |
66200456 has 32 divisors (see below), whose sum is σ = 142128000. Its totient is φ = 28317696.
The previous prime is 66200447. The next prime is 66200467. The reversal of 66200456 is 65400266.
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, 46280 + ... + 47688.
It is an arithmetic number, because the mean of its divisors is an integer number (4441500).
Almost surely, 266200456 is an apocalyptic number.
It is an amenable number.
66200456 is an abundant number, since it is smaller than the sum of its proper divisors (75927544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66200456 is a wasteful number, since it uses less digits than its factorization.
66200456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2261 (or 2257 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 66200456 is about 8136.3662651088. The cubic root of 66200456 is about 404.5327253205.
The spelling of 66200456 in words is "sixty-six million, two hundred thousand, four hundred fifty-six".
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