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14909911 = 23648257
BaseRepresentation
bin111000111000…
…000111010111
31001001111112221
4320320013113
512304104121
61251323211
7240506062
oct70700727
931044487
1014909911
118464045
124bb0507
133120643
141da18d9
151497b41
hexe381d7

14909911 has 4 divisors (see below), whose sum is σ = 15558192. Its totient is φ = 14261632.

The previous prime is 14909897. The next prime is 14909941. The reversal of 14909911 is 11990941.

It is a happy number.

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 14909911 - 25 = 14909879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14909941) 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, 324106 + ... + 324151.

It is an arithmetic number, because the mean of its divisors is an integer number (3889548).

Almost surely, 214909911 is an apocalyptic number.

14909911 is a deficient number, since it is larger than the sum of its proper divisors (648281).

14909911 is an equidigital number, since it uses as much as digits as its factorization.

14909911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648280.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 14909911 is about 3861.3353907683. The cubic root of 14909911 is about 246.1264855081.

The spelling of 14909911 in words is "fourteen million, nine hundred nine thousand, nine hundred eleven".

Divisors: 1 23 648257 14909911