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14379187 = 29094943
BaseRepresentation
bin110110110110…
…100010110011
31000001112112111
4312312202303
512140113222
61232110151
7233135554
oct66664263
930045474
1014379187
118131329
124995357
132c95bc4
141ca432b
1513e0777
hexdb68b3

14379187 has 4 divisors (see below), whose sum is σ = 14387040. Its totient is φ = 14371336.

The previous prime is 14379179. The next prime is 14379191. The reversal of 14379187 is 78197341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78197341 = 711101371.

It is a cyclic number.

It is not a de Polignac number, because 14379187 - 23 = 14379179 is a prime.

It is a super-2 number, since 2×143791872 = 413522037561938, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14379487) 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, 438 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (3596760).

Almost surely, 214379187 is an apocalyptic number.

14379187 is a deficient number, since it is larger than the sum of its proper divisors (7853).

14379187 is an equidigital number, since it uses as much as digits as its factorization.

14379187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852.

The product of its digits is 42336, while the sum is 40.

The square root of 14379187 is about 3791.9898470328. The cubic root of 14379187 is about 243.1708113901.

The spelling of 14379187 in words is "fourteen million, three hundred seventy-nine thousand, one hundred eighty-seven".

Divisors: 1 2909 4943 14379187