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14918423 = 131147571
BaseRepresentation
bin111000111010…
…001100010111
31001001221020012
4320322030113
512304342143
61251430435
7240542642
oct70721427
931057205
1014918423
11846a483
124bb541b
133124490
141da4a59
15149a418
hexe3a317

14918423 has 4 divisors (see below), whose sum is σ = 16066008. Its totient is φ = 13770840.

The previous prime is 14918399. The next prime is 14918429. The reversal of 14918423 is 32481941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14918423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14918423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14918429) 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, 573773 + ... + 573798.

It is an arithmetic number, because the mean of its divisors is an integer number (4016502).

Almost surely, 214918423 is an apocalyptic number.

14918423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14918423 is a deficient number, since it is larger than the sum of its proper divisors (1147585).

14918423 is a wasteful number, since it uses less digits than its factorization.

14918423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147584.

The product of its digits is 6912, while the sum is 32.

The square root of 14918423 is about 3862.4374428591. The cubic root of 14918423 is about 246.1733140928.

The spelling of 14918423 in words is "fourteen million, nine hundred eighteen thousand, four hundred twenty-three".

Divisors: 1 13 1147571 14918423