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26868137 = 79340103
BaseRepresentation
bin110011001111…
…1100110101001
31212120001011012
41212133212221
523334240022
62355513305
7444242522
oct146374651
955501135
1026868137
111419147a
128bb8835
13574960a
1437d5849
15255ade2
hex199f9a9

26868137 has 4 divisors (see below), whose sum is σ = 27208320. Its totient is φ = 26527956.

The previous prime is 26868133. The next prime is 26868151. The reversal of 26868137 is 73186862.

It is a happy number.

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 26868137 - 22 = 26868133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26868094 and 26868103.

It is not an unprimeable number, because it can be changed into a prime (26868131) 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, 169973 + ... + 170130.

It is an arithmetic number, because the mean of its divisors is an integer number (6802080).

Almost surely, 226868137 is an apocalyptic number.

It is an amenable number.

26868137 is a deficient number, since it is larger than the sum of its proper divisors (340183).

26868137 is an equidigital number, since it uses as much as digits as its factorization.

26868137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340182.

The product of its digits is 96768, while the sum is 41.

The square root of 26868137 is about 5183.4483695702. The cubic root of 26868137 is about 299.5108212994.

The spelling of 26868137 in words is "twenty-six million, eight hundred sixty-eight thousand, one hundred thirty-seven".

Divisors: 1 79 340103 26868137