Base | Representation |
---|---|
bin | 110011111101… |
… | …0010001000100 |
3 | 1220020220120002 |
4 | 1213322101010 |
5 | 23433130432 |
6 | 2411500432 |
7 | 450350300 |
oct | 147722104 |
9 | 56226502 |
10 | 27239492 |
11 | 14415485 |
12 | 9157718 |
13 | 5849657 |
14 | 3890d00 |
15 | 25d0e62 |
hex | 19fa444 |
27239492 has 18 divisors (see below), whose sum is σ = 55452222. Its totient is φ = 11673984.
The previous prime is 27239479. The next prime is 27239501. The reversal of 27239492 is 29493272.
It can be written as a sum of positive squares in only one way, i.e., 14394436 + 12845056 = 3794^2 + 3584^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69293 + ... + 69684.
It is an arithmetic number, because the mean of its divisors is an integer number (3080679).
Almost surely, 227239492 is an apocalyptic number.
It is an amenable number.
27239492 is an abundant number, since it is smaller than the sum of its proper divisors (28212730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27239492 is a wasteful number, since it uses less digits than its factorization.
27239492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138995 (or 138986 counting only the distinct ones).
The product of its digits is 54432, while the sum is 38.
The square root of 27239492 is about 5219.1466735473. The cubic root of 27239492 is about 300.8843976481.
The spelling of 27239492 in words is "twenty-seven million, two hundred thirty-nine thousand, four hundred ninety-two".
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