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14090287 = 28349789
BaseRepresentation
bin110101110000…
…000000101111
3222111212020111
4311300000233
512101342122
61222000451
7230523361
oct65600057
928455214
1014090287
117a54272
124876127
132bc4563
141c2ad31
151384d77
hexd7002f

14090287 has 4 divisors (see below), whose sum is σ = 14140360. Its totient is φ = 14040216.

The previous prime is 14090257. The next prime is 14090311. The reversal of 14090287 is 78209041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78209041 = 190141141.

It is a cyclic number.

It is not a de Polignac number, because 14090287 - 223 = 5701679 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 (14090257) 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 in 3 ways as a sum of consecutive naturals, for example, 24612 + ... + 25177.

It is an arithmetic number, because the mean of its divisors is an integer number (3535090).

Almost surely, 214090287 is an apocalyptic number.

14090287 is a deficient number, since it is larger than the sum of its proper divisors (50073).

14090287 is an equidigital number, since it uses as much as digits as its factorization.

14090287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50072.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 14090287 is about 3753.7031049352. The cubic root of 14090287 is about 241.5312226105.

The spelling of 14090287 in words is "fourteen million, ninety thousand, two hundred eighty-seven".

Divisors: 1 283 49789 14090287