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14130623 = 131923011
BaseRepresentation
bin110101111001…
…110110111111
3222120220120102
4311321312333
512104134443
61222511315
7231052103
oct65716677
928526512
1014130623
117a81601
12489553b
132c09a20
141c3b903
151391cb8
hexd79dbf

14130623 has 12 divisors (see below), whose sum is σ = 16066008. Its totient is φ = 12353040.

The previous prime is 14130593. The next prime is 14130629. The reversal of 14130623 is 32603141.

It is not a de Polignac number, because 14130623 - 212 = 14126527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14130595 and 14130604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130629) 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, 3188 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (1338834).

Almost surely, 214130623 is an apocalyptic number.

14130623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14130623 is a deficient number, since it is larger than the sum of its proper divisors (1935385).

14130623 is a wasteful number, since it uses less digits than its factorization.

14130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 14130623 is about 3759.0720929506. The cubic root of 14130623 is about 241.7614786653.

Adding to 14130623 its reverse (32603141), we get a palindrome (46733764).

The spelling of 14130623 in words is "fourteen million, one hundred thirty thousand, six hundred twenty-three".

Divisors: 1 13 19 247 361 3011 4693 39143 57209 743717 1086971 14130623