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14918317 = 47317411
BaseRepresentation
bin111000111010…
…001010101101
31001001221002021
4320322022231
512304341232
61251430141
7240542431
oct70721255
931057067
1014918317
11846a397
124bb5351
13312440b
141da49c1
15149a397
hexe3a2ad

14918317 has 4 divisors (see below), whose sum is σ = 15235776. Its totient is φ = 14600860.

The previous prime is 14918311. The next prime is 14918339. The reversal of 14918317 is 71381941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71381941 = 654710903.

It is a cyclic number.

It is not a de Polignac number, because 14918317 - 223 = 6529709 is a prime.

It is a super-2 number, since 2×149183172 = 445112364224978, 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 (14918311) 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, 158659 + ... + 158752.

It is an arithmetic number, because the mean of its divisors is an integer number (3808944).

Almost surely, 214918317 is an apocalyptic number.

It is an amenable number.

14918317 is a deficient number, since it is larger than the sum of its proper divisors (317459).

14918317 is an equidigital number, since it uses as much as digits as its factorization.

14918317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317458.

The product of its digits is 6048, while the sum is 34.

The square root of 14918317 is about 3862.4237209296. The cubic root of 14918317 is about 246.1727310456.

The spelling of 14918317 in words is "fourteen million, nine hundred eighteen thousand, three hundred seventeen".

Divisors: 1 47 317411 14918317