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14405031 = 324433613
BaseRepresentation
bin110110111100…
…110110100111
31000002211222200
4312330312213
512141430111
61232425543
7233304114
oct66746647
930084880
1014405031
118149793
1249a82b3
132ca48b4
141cad90b
1513e8256
hexdbcda7

14405031 has 12 divisors (see below), whose sum is σ = 20860008. Its totient is φ = 9579024.

The previous prime is 14405023. The next prime is 14405033. The reversal of 14405031 is 13050441.

It is a happy number.

It is not a de Polignac number, because 14405031 - 23 = 14405023 is a prime.

It is a super-2 number, since 2×144050312 = 415009836221922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14404995 and 14405013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405033) 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, 2181 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (1738334).

Almost surely, 214405031 is an apocalyptic number.

14405031 is a deficient number, since it is larger than the sum of its proper divisors (6454977).

14405031 is a wasteful number, since it uses less digits than its factorization.

14405031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 14405031 is about 3795.3960267672. The cubic root of 14405031 is about 243.3164094483.

Adding to 14405031 its reverse (13050441), we get a palindrome (27455472).

The spelling of 14405031 in words is "fourteen million, four hundred five thousand, thirty-one".

Divisors: 1 3 9 443 1329 3613 3987 10839 32517 1600559 4801677 14405031