Search a number
-
+
14904643 = 131146511
BaseRepresentation
bin111000110110…
…110101000011
31001001020022211
4320312311003
512303422033
61251242551
7240454525
oct70666503
931036284
1014904643
118460096
124ba9457
13311b120
141d9da15
1514962cd
hexe36d43

14904643 has 4 divisors (see below), whose sum is σ = 16051168. Its totient is φ = 13758120.

The previous prime is 14904623. The next prime is 14904653. The reversal of 14904643 is 34640941.

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

It is a cyclic number.

It is not a de Polignac number, because 14904643 - 221 = 12807491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14904623) 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, 573243 + ... + 573268.

It is an arithmetic number, because the mean of its divisors is an integer number (4012792).

Almost surely, 214904643 is an apocalyptic number.

14904643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14904643 is a deficient number, since it is larger than the sum of its proper divisors (1146525).

14904643 is a wasteful number, since it uses less digits than its factorization.

14904643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146524.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 14904643 is about 3860.6531830767. The cubic root of 14904643 is about 246.0974947904.

The spelling of 14904643 in words is "fourteen million, nine hundred four thousand, six hundred forty-three".

Divisors: 1 13 1146511 14904643