Base | Representation |
---|---|
bin | 110101001101… |
… | …1110101101101 |
3 | 1221111112101020 |
4 | 1222123311231 |
5 | 24120320133 |
6 | 2434004353 |
7 | 456104610 |
oct | 152336555 |
9 | 57445336 |
10 | 27901293 |
11 | 14827722 |
12 | 94166b9 |
13 | 5a1b954 |
14 | 39c4177 |
15 | 26b20b3 |
hex | 1a9bd6d |
27901293 has 32 divisors (see below), whose sum is σ = 44140800. Its totient is φ = 15344640.
The previous prime is 27901273. The next prime is 27901303. The reversal of 27901293 is 39210972.
It is not a de Polignac number, because 27901293 - 25 = 27901261 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27901273) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115653 + ... + 115893.
It is an arithmetic number, because the mean of its divisors is an integer number (1379400).
Almost surely, 227901293 is an apocalyptic number.
It is an amenable number.
27901293 is a deficient number, since it is larger than the sum of its proper divisors (16239507).
27901293 is a wasteful number, since it uses less digits than its factorization.
27901293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437.
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 27901293 is about 5282.1674528549. The cubic root of 27901293 is about 303.3016525568.
The spelling of 27901293 in words is "twenty-seven million, nine hundred one thousand, two hundred ninety-three".
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