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14902091 = 23647917
BaseRepresentation
bin111000110110…
…001101001011
31001001002211022
4320312031023
512303331331
61251223055
7240444221
oct70661513
931032738
1014902091
118459186
124ba7a8b
133119c09
141d9cb11
15149567b
hexe3634b

14902091 has 4 divisors (see below), whose sum is σ = 15550032. Its totient is φ = 14254152.

The previous prime is 14902079. The next prime is 14902127. The reversal of 14902091 is 19020941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19020941 = 19796553.

It is a cyclic number.

It is not a de Polignac number, because 14902091 - 210 = 14901067 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 14902091.

It is not an unprimeable number, because it can be changed into a prime (14902021) 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, 323936 + ... + 323981.

It is an arithmetic number, because the mean of its divisors is an integer number (3887508).

Almost surely, 214902091 is an apocalyptic number.

14902091 is a deficient number, since it is larger than the sum of its proper divisors (647941).

14902091 is an equidigital number, since it uses as much as digits as its factorization.

14902091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647940.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 14902091 is about 3860.3226549085. The cubic root of 14902091 is about 246.0834482356.

The spelling of 14902091 in words is "fourteen million, nine hundred two thousand, ninety-one".

Divisors: 1 23 647917 14902091