Base | Representation |
---|---|
bin | 110011111111… |
… | …1111010100111 |
3 | 1220022002022002 |
4 | 1213333322213 |
5 | 23434401011 |
6 | 2412155515 |
7 | 450504614 |
oct | 147777247 |
9 | 56262262 |
10 | 27262631 |
11 | 14430900 |
12 | 9168b9b |
13 | 5857046 |
14 | 389950b |
15 | 25d7c3b |
hex | 19ffea7 |
27262631 has 12 divisors (see below), whose sum is σ = 30126096. Its totient is φ = 24652320.
The previous prime is 27262603. The next prime is 27262649. The reversal of 27262631 is 13626272.
It is a de Polignac number, because none of the positive numbers 2k-27262631 is a prime.
It is a super-2 number, since 2×272626312 = 1486502098084322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 27262594 and 27262603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27262681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27710 + ... + 28676.
It is an arithmetic number, because the mean of its divisors is an integer number (2510508).
Almost surely, 227262631 is an apocalyptic number.
27262631 is a deficient number, since it is larger than the sum of its proper divisors (2863465).
27262631 is a wasteful number, since it uses less digits than its factorization.
27262631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1222 (or 1211 counting only the distinct ones).
The product of its digits is 6048, while the sum is 29.
The square root of 27262631 is about 5221.3629446726. The cubic root of 27262631 is about 300.9695704753.
The spelling of 27262631 in words is "twenty-seven million, two hundred sixty-two thousand, six hundred thirty-one".
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