Base | Representation |
---|---|
bin | 110100011011… |
… | …1111100110000 |
3 | 1220201202010120 |
4 | 1220313330300 |
5 | 24014222034 |
6 | 2421130240 |
7 | 452452011 |
oct | 150677460 |
9 | 56652116 |
10 | 27492144 |
11 | 14578289 |
12 | 9259980 |
13 | 5907654 |
14 | 3919008 |
15 | 2630c49 |
hex | 1a37f30 |
27492144 has 40 divisors (see below), whose sum is σ = 71214192. Its totient is φ = 9139200.
The previous prime is 27492121. The next prime is 27492149. The reversal of 27492144 is 44129472.
It is not an unprimeable number, because it can be changed into a prime (27492149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28372 + ... + 29324.
Almost surely, 227492144 is an apocalyptic number.
27492144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
27492144 is an abundant number, since it is smaller than the sum of its proper divisors (43722048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27492144 is a wasteful number, since it uses less digits than its factorization.
27492144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565 (or 1559 counting only the distinct ones).
The product of its digits is 16128, while the sum is 33.
The square root of 27492144 is about 5243.2951471379. The cubic root of 27492144 is about 301.8117915660.
The spelling of 27492144 in words is "twenty-seven million, four hundred ninety-two thousand, one hundred forty-four".
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