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14012031 = 3113113697
BaseRepresentation
bin110101011100…
…111001111111
3222100212220010
4311130321333
512041341111
61220154303
7230046255
oct65347177
928325803
1014012031
117a004a0
124838993
132b97a57
141c0a5d5
15136baa6
hexd5ce7f

14012031 has 16 divisors (see below), whose sum is σ = 21040128. Its totient is φ = 8217600.

The previous prime is 14012003. The next prime is 14012039. The reversal of 14012031 is 13021041.

It is a happy number.

It is not a de Polignac number, because 14012031 - 25 = 14011999 is a prime.

It is a super-2 number, since 2×140120312 = 392674025489922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14011998 and 14012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012039) 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, 5826 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (1315008).

Almost surely, 214012031 is an apocalyptic number.

14012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14012031 is a deficient number, since it is larger than the sum of its proper divisors (7028097).

14012031 is a wasteful number, since it uses less digits than its factorization.

14012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 14012031 is about 3743.2647515237. The cubic root of 14012031 is about 241.0832457495.

Adding to 14012031 its reverse (13021041), we get a palindrome (27033072).

The spelling of 14012031 in words is "fourteen million, twelve thousand, thirty-one".

Divisors: 1 3 11 31 33 93 341 1023 13697 41091 150667 424607 452001 1273821 4670677 14012031