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14890389 = 34963463
BaseRepresentation
bin111000110011…
…010110010101
31001000111202220
4320303112111
512302443024
61251052553
7240365133
oct70632625
931014686
1014890389
118450408
124ba1159
1331147a7
141d98753
151491e79
hexe33595

14890389 has 4 divisors (see below), whose sum is σ = 19853856. Its totient is φ = 9926924.

The previous prime is 14890387. The next prime is 14890397. The reversal of 14890389 is 98309841.

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.

It is a cyclic number.

It is not a de Polignac number, because 14890389 - 21 = 14890387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14890389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14890387) 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, 2481729 + ... + 2481734.

It is an arithmetic number, because the mean of its divisors is an integer number (4963464).

Almost surely, 214890389 is an apocalyptic number.

It is an amenable number.

14890389 is a deficient number, since it is larger than the sum of its proper divisors (4963467).

14890389 is an equidigital number, since it uses as much as digits as its factorization.

14890389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963466.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 14890389 is about 3858.8066808276. The cubic root of 14890389 is about 246.0190182930.

The spelling of 14890389 in words is "fourteen million, eight hundred ninety thousand, three hundred eighty-nine".

Divisors: 1 3 4963463 14890389