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14151881 is a prime number
BaseRepresentation
bin110101111111…
…000011001001
3222121222201202
4311333003021
512110330011
61223153545
7231201062
oct65770311
928558652
1014151881
117a96577
1248a58b5
132c165c3
141c45569
15139823b
hexd7f0c9

14151881 has 2 divisors, whose sum is σ = 14151882. Its totient is φ = 14151880.

The previous prime is 14151869. The next prime is 14151899. The reversal of 14151881 is 18815141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 3367225 = 3284^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 14151881 - 214 = 14135497 is a prime.

It is a super-2 number, since 2×141518812 = 400551471676322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14151811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075940 + 7075941.

It is an arithmetic number, because the mean of its divisors is an integer number (7075941).

Almost surely, 214151881 is an apocalyptic number.

It is an amenable number.

14151881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14151881 is an equidigital number, since it uses as much as digits as its factorization.

14151881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 29.

The square root of 14151881 is about 3761.8985898081. The cubic root of 14151881 is about 241.8826526211.

The spelling of 14151881 in words is "fourteen million, one hundred fifty-one thousand, eight hundred eighty-one".