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26272013 = 47558979
BaseRepresentation
bin110010000111…
…0000100001101
31211102202102112
41210032010031
523211201023
62335033405
7436210535
oct144160415
954382375
1026272013
1113914609
12896b865
13559b191
1436bc4c5
15248e478
hex190e10d

26272013 has 4 divisors (see below), whose sum is σ = 26831040. Its totient is φ = 25712988.

The previous prime is 26271997. The next prime is 26272027. The reversal of 26272013 is 31027262.

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 26272013 - 24 = 26271997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26272013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26272033) 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, 279443 + ... + 279536.

It is an arithmetic number, because the mean of its divisors is an integer number (6707760).

Almost surely, 226272013 is an apocalyptic number.

It is an amenable number.

26272013 is a deficient number, since it is larger than the sum of its proper divisors (559027).

26272013 is an equidigital number, since it uses as much as digits as its factorization.

26272013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559026.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 26272013 is about 5125.6231816239. The cubic root of 26272013 is about 297.2791496993.

Adding to 26272013 its reverse (31027262), we get a palindrome (57299275).

The spelling of 26272013 in words is "twenty-six million, two hundred seventy-two thousand, thirteen".

Divisors: 1 47 558979 26272013