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14440023 = 3213123419
BaseRepresentation
bin110111000101…
…011001010111
31000011121222200
4313011121113
512144040043
61233255543
7233511123
oct67053127
930147880
1014440023
118173004
124a045b3
132cb77c0
141cbc583
1514037d3
hexdc5657

14440023 has 12 divisors (see below), whose sum is σ = 22462440. Its totient is φ = 8886096.

The previous prime is 14440001. The next prime is 14440031. The reversal of 14440023 is 32004441.

It is not a de Polignac number, because 14440023 - 210 = 14438999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14439978 and 14440005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61593 + ... + 61826.

It is an arithmetic number, because the mean of its divisors is an integer number (1871870).

Almost surely, 214440023 is an apocalyptic number.

14440023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14440023 is a deficient number, since it is larger than the sum of its proper divisors (8022417).

14440023 is a wasteful number, since it uses less digits than its factorization.

14440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123438 (or 123435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14440023 is about 3800.0030263146. The cubic root of 14440023 is about 243.5132675935.

Adding to 14440023 its reverse (32004441), we get a palindrome (46444464).

The spelling of 14440023 in words is "fourteen million, four hundred forty thousand, twenty-three".

Divisors: 1 3 9 13 39 117 123419 370257 1110771 1604447 4813341 14440023