Base | Representation |
---|---|
bin | 110100010011… |
… | …0100000001000 |
3 | 1220121010002202 |
4 | 1220212200020 |
5 | 24004430210 |
6 | 2415415332 |
7 | 452033450 |
oct | 150464010 |
9 | 56533082 |
10 | 27420680 |
11 | 14529621 |
12 | 9224548 |
13 | 58b0c71 |
14 | 38dad60 |
15 | 26199a5 |
hex | 1a26808 |
27420680 has 32 divisors (see below), whose sum is σ = 70511040. Its totient is φ = 9401280.
The previous prime is 27420671. The next prime is 27420703. The reversal of 27420680 is 8602472.
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, 48686 + ... + 49245.
It is an arithmetic number, because the mean of its divisors is an integer number (2203470).
Almost surely, 227420680 is an apocalyptic number.
27420680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27420680 is an abundant number, since it is smaller than the sum of its proper divisors (43090360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27420680 is a wasteful number, since it uses less digits than its factorization.
27420680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97949 (or 97945 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 27420680 is about 5236.4759142003. The cubic root of 27420680 is about 301.5500514159.
The spelling of 27420680 in words is "twenty-seven million, four hundred twenty thousand, six hundred eighty".
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