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14440423 = 83173981
BaseRepresentation
bin110111000101…
…011111100111
31000011122112111
4313011133213
512144043143
61233301451
7233512234
oct67053747
930148474
1014440423
118173338
124a04887
132cb7a3a
141cbc78b
15140399d
hexdc57e7

14440423 has 4 divisors (see below), whose sum is σ = 14614488. Its totient is φ = 14266360.

The previous prime is 14440409. The next prime is 14440457. The reversal of 14440423 is 32404441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14440423 - 221 = 12343271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14440394 and 14440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440493) 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, 86908 + ... + 87073.

It is an arithmetic number, because the mean of its divisors is an integer number (3653622).

Almost surely, 214440423 is an apocalyptic number.

14440423 is a deficient number, since it is larger than the sum of its proper divisors (174065).

14440423 is an equidigital number, since it uses as much as digits as its factorization.

14440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174064.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 14440423 is about 3800.0556574871. The cubic root of 14440423 is about 243.5155160758.

Adding to 14440423 its reverse (32404441), we get a palindrome (46844864).

The spelling of 14440423 in words is "fourteen million, four hundred forty thousand, four hundred twenty-three".

Divisors: 1 83 173981 14440423