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14444031 = 37797863
BaseRepresentation
bin110111000110…
…010111111111
31000011211111010
4313012113333
512144202111
61233330303
7233525610
oct67062777
930154433
1014444031
118176018
124a06993
132cb9584
141cbdc07
151404aa6
hexdc65ff

14444031 has 16 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 8233824.

The previous prime is 14443987. The next prime is 14444057. The reversal of 14444031 is 13044441.

It is not a de Polignac number, because 14444031 - 210 = 14443007 is a prime.

It is a super-2 number, since 2×144440312 = 417260063057922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 14443989 and 14444007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14444071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16306 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 214444031 is an apocalyptic number.

14444031 is a deficient number, since it is larger than the sum of its proper divisors (7619073).

14444031 is an equidigital number, since it uses as much as digits as its factorization.

14444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14444031 is about 3800.5303577264. The cubic root of 14444031 is about 243.5357955098.

Adding to 14444031 its reverse (13044441), we get a palindrome (27488472).

The spelling of 14444031 in words is "fourteen million, four hundred forty-four thousand, thirty-one".

Divisors: 1 3 7 21 797 863 2391 2589 5579 6041 16737 18123 687811 2063433 4814677 14444031