Search a number
-
+
14136989 = 47300787
BaseRepresentation
bin110101111011…
…011010011101
3222121020022012
4311323122131
512104340424
61223001005
7231106466
oct65733235
928536265
1014136989
117a86369
124899165
132c0c8a9
141c3dd6d
151393b0e
hexd7b69d

14136989 has 4 divisors (see below), whose sum is σ = 14437824. Its totient is φ = 13836156.

The previous prime is 14136953. The next prime is 14137009. The reversal of 14136989 is 98963141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98963141 = 831192327.

It is a cyclic number.

It is not a de Polignac number, because 14136989 - 212 = 14132893 is a prime.

It is a super-2 number, since 2×141369892 = 399708915972242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14136919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150347 + ... + 150440.

It is an arithmetic number, because the mean of its divisors is an integer number (3609456).

Almost surely, 214136989 is an apocalyptic number.

It is an amenable number.

14136989 is a deficient number, since it is larger than the sum of its proper divisors (300835).

14136989 is an equidigital number, since it uses as much as digits as its factorization.

14136989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300834.

The product of its digits is 46656, while the sum is 41.

The square root of 14136989 is about 3759.9187491221. The cubic root of 14136989 is about 241.7977786103.

The spelling of 14136989 in words is "fourteen million, one hundred thirty-six thousand, nine hundred eighty-nine".

Divisors: 1 47 300787 14136989