Search a number
-
+
14132381 is a prime number
BaseRepresentation
bin110101111010…
…010010011101
3222120222222112
4311322102131
512104214011
61222523405
7231060164
oct65722235
928528875
1014132381
117a8295a
124896565
132c0a773
141c3c3db
15139258b
hexd7a49d

14132381 has 2 divisors, whose sum is σ = 14132382. Its totient is φ = 14132380.

The previous prime is 14132369. The next prime is 14132387. The reversal of 14132381 is 18323141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 1136356 = 3605^2 + 1066^2 .

It is an emirp because it is prime and its reverse (18323141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14132381 - 210 = 14131357 is a prime.

It is a super-2 number, since 2×141323812 = 399448385458322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14132387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066190 + 7066191.

It is an arithmetic number, because the mean of its divisors is an integer number (7066191).

Almost surely, 214132381 is an apocalyptic number.

It is an amenable number.

14132381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14132381 is an equidigital number, since it uses as much as digits as its factorization.

14132381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 14132381 is about 3759.3059199804. The cubic root of 14132381 is about 241.7715041505.

The spelling of 14132381 in words is "fourteen million, one hundred thirty-two thousand, three hundred eighty-one".