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26982929 = 222112149
BaseRepresentation
bin110011011101…
…1101000010001
31212202212121202
41212323220101
523401423204
62402200545
7445231301
oct146735021
955685552
1026982929
111425a746
129053155
13578993c
143825601
15257ee1e
hex19bba11

26982929 has 4 divisors (see below), whose sum is σ = 26997300. Its totient is φ = 26968560.

The previous prime is 26982919. The next prime is 26982947. The reversal of 26982929 is 92928962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 3441025 = 4852^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 26982929 - 220 = 25934353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26982919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (6749325).

Almost surely, 226982929 is an apocalyptic number.

It is an amenable number.

26982929 is a deficient number, since it is larger than the sum of its proper divisors (14371).

26982929 is a wasteful number, since it uses less digits than its factorization.

26982929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14370.

The product of its digits is 279936, while the sum is 47.

The square root of 26982929 is about 5194.5095052372. The cubic root of 26982929 is about 299.9367607443.

The spelling of 26982929 in words is "twenty-six million, nine hundred eighty-two thousand, nine hundred twenty-nine".

Divisors: 1 2221 12149 26982929