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14909423 = 50329641
BaseRepresentation
bin111000110111…
…111111101111
31001001110212212
4320313333233
512304100143
61251321035
7240504464
oct70677757
931043785
1014909423
118463741
124bb017b
133120359
141da166b
151497918
hexe37fef

14909423 has 4 divisors (see below), whose sum is σ = 14939568. Its totient is φ = 14879280.

The previous prime is 14909417. The next prime is 14909429. The reversal of 14909423 is 32490941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32490941 = 74641563.

It is an interprime number because it is at equal distance from previous prime (14909417) and next prime (14909429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14909423 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 14909423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14909429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14318 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (3734892).

Almost surely, 214909423 is an apocalyptic number.

14909423 is a deficient number, since it is larger than the sum of its proper divisors (30145).

14909423 is an equidigital number, since it uses as much as digits as its factorization.

14909423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 14909423 is about 3861.2721996772. The cubic root of 14909423 is about 246.1238002465.

The spelling of 14909423 in words is "fourteen million, nine hundred nine thousand, four hundred twenty-three".

Divisors: 1 503 29641 14909423