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14266921 = 23576053
BaseRepresentation
bin110110011011…
…001000101001
3222211211112111
4312123020221
512123020141
61225442321
7232160344
oct66331051
928754474
1014266921
118064a49
1249403a1
132c56a86
141c7545b
1513bc381
hexd9b229

14266921 has 4 divisors (see below), whose sum is σ = 14275332. Its totient is φ = 14258512.

The previous prime is 14266919. The next prime is 14266939. The reversal of 14266921 is 12966241.

14266921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 12524521 = 1320^2 + 3539^2 .

It is a cyclic number.

It is not a de Polignac number, because 14266921 - 21 = 14266919 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14266951) 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, 670 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (3568833).

Almost surely, 214266921 is an apocalyptic number.

It is an amenable number.

14266921 is a deficient number, since it is larger than the sum of its proper divisors (8411).

14266921 is an equidigital number, since it uses as much as digits as its factorization.

14266921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410.

The product of its digits is 5184, while the sum is 31.

The square root of 14266921 is about 3777.1577938974. The cubic root of 14266921 is about 242.5363023557.

The spelling of 14266921 in words is "fourteen million, two hundred sixty-six thousand, nine hundred twenty-one".

Divisors: 1 2357 6053 14266921