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14423989 = 83173783
BaseRepresentation
bin110111000001…
…011110110101
31000010210222211
4313001132311
512143031424
61233053421
7233413306
oct67013665
930123884
1014423989
118161a58
1249b7271
132cb0408
141cb67ad
1513edb94
hexdc17b5

14423989 has 4 divisors (see below), whose sum is σ = 14597856. Its totient is φ = 14250124.

The previous prime is 14423977. The next prime is 14423993. The reversal of 14423989 is 98932441.

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 14423989 - 29 = 14423477 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14463989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86809 + ... + 86974.

It is an arithmetic number, because the mean of its divisors is an integer number (3649464).

Almost surely, 214423989 is an apocalyptic number.

It is an amenable number.

14423989 is a deficient number, since it is larger than the sum of its proper divisors (173867).

14423989 is an equidigital number, since it uses as much as digits as its factorization.

14423989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173866.

The product of its digits is 62208, while the sum is 40.

The square root of 14423989 is about 3797.8927051722. The cubic root of 14423989 is about 243.4231029682.

The spelling of 14423989 in words is "fourteen million, four hundred twenty-three thousand, nine hundred eighty-nine".

Divisors: 1 83 173783 14423989