Base | Representation |
---|---|
bin | 110010010100… |
… | …0011010001001 |
3 | 1211122020102211 |
4 | 1210220122021 |
5 | 23223124123 |
6 | 2341225121 |
7 | 440140240 |
oct | 144503211 |
9 | 54566384 |
10 | 26379913 |
11 | 1398868a |
12 | 8a021a1 |
13 | 5608321 |
14 | 3709957 |
15 | 24b140d |
hex | 1928689 |
26379913 has 4 divisors (see below), whose sum is σ = 30148480. Its totient is φ = 22611348.
The previous prime is 26379911. The next prime is 26379929. The reversal of 26379913 is 31997362.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 26379913 - 21 = 26379911 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (26379911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884273 + ... + 1884286.
It is an arithmetic number, because the mean of its divisors is an integer number (7537120).
Almost surely, 226379913 is an apocalyptic number.
It is an amenable number.
26379913 is a deficient number, since it is larger than the sum of its proper divisors (3768567).
26379913 is an equidigital number, since it uses as much as digits as its factorization.
26379913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3768566.
The product of its digits is 61236, while the sum is 40.
The square root of 26379913 is about 5136.1379459668. The cubic root of 26379913 is about 297.6855721435.
The spelling of 26379913 in words is "twenty-six million, three hundred seventy-nine thousand, nine hundred thirteen".
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