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14885191 is a prime number
BaseRepresentation
bin111000110010…
…000101000111
31001000020122101
4320302011013
512302311231
61251012531
7240344026
oct70620507
931006571
1014885191
118447512
124b9a147
133112309
141d968bd
151490661
hexe32147

14885191 has 2 divisors, whose sum is σ = 14885192. Its totient is φ = 14885190.

The previous prime is 14885179. The next prime is 14885197. The reversal of 14885191 is 19158841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14885191 - 223 = 6496583 is a prime.

It is a super-2 number, since 2×148851912 = 443137822212962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14885191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14885197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7442595 + 7442596.

It is an arithmetic number, because the mean of its divisors is an integer number (7442596).

Almost surely, 214885191 is an apocalyptic number.

14885191 is a deficient number, since it is larger than the sum of its proper divisors (1).

14885191 is an equidigital number, since it uses as much as digits as its factorization.

14885191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 37.

The square root of 14885191 is about 3858.1330977560. The cubic root of 14885191 is about 245.9903878413.

The spelling of 14885191 in words is "fourteen million, eight hundred eighty-five thousand, one hundred ninety-one".