Base | Representation |
---|---|
bin | 110101010110… |
… | …1101001001111 |
3 | 1221122020102100 |
4 | 1222231221033 |
5 | 24130133343 |
6 | 2435330143 |
7 | 456530334 |
oct | 152555117 |
9 | 57566370 |
10 | 27974223 |
11 | 148774a2 |
12 | 9450953 |
13 | 5a45bc4 |
14 | 3a0298b |
15 | 26c89d3 |
hex | 1aada4f |
27974223 has 12 divisors (see below), whose sum is σ = 40657240. Its totient is φ = 18534096.
The previous prime is 27974207. The next prime is 27974227. The reversal of 27974223 is 32247972.
It is not a de Polignac number, because 27974223 - 24 = 27974207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27974227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8068 + ... + 11001.
Almost surely, 227974223 is an apocalyptic number.
27974223 is a deficient number, since it is larger than the sum of its proper divisors (12683017).
27974223 is a wasteful number, since it uses less digits than its factorization.
27974223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19238 (or 19235 counting only the distinct ones).
The product of its digits is 42336, while the sum is 36.
The square root of 27974223 is about 5289.0663637357. The cubic root of 27974223 is about 303.5656850612.
The spelling of 27974223 in words is "twenty-seven million, nine hundred seventy-four thousand, two hundred twenty-three".
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