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14904381 = 34968127
BaseRepresentation
bin111000110110…
…110000111101
31001001012222010
4320312300331
512303420011
61251241433
7240454002
oct70666075
931035863
1014904381
11845a978
124ba9279
13311ac7b
141d9d8a9
1514961a6
hexe36c3d

14904381 has 4 divisors (see below), whose sum is σ = 19872512. Its totient is φ = 9936252.

The previous prime is 14904353. The next prime is 14904419. The reversal of 14904381 is 18340941.

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 not a de Polignac number, because 14904381 - 25 = 14904349 is a prime.

It is a super-2 number, since 2×149043812 = 444281145986322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14904301) 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, 2484061 + ... + 2484066.

It is an arithmetic number, because the mean of its divisors is an integer number (4968128).

Almost surely, 214904381 is an apocalyptic number.

It is an amenable number.

14904381 is a deficient number, since it is larger than the sum of its proper divisors (4968131).

14904381 is an equidigital number, since it uses as much as digits as its factorization.

14904381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968130.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 14904381 is about 3860.6192508456. The cubic root of 14904381 is about 246.0960527807.

The spelling of 14904381 in words is "fourteen million, nine hundred four thousand, three hundred eighty-one".

Divisors: 1 3 4968127 14904381