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13889119 = 174119927
BaseRepresentation
bin110100111110…
…111001011111
3222010122021211
4310332321133
512023422434
61213405251
7226025026
oct64767137
928118254
1013889119
117927112
124799827
132b53b1a
141bb78bd
151345464
hexd3ee5f

13889119 has 8 divisors (see below), whose sum is σ = 15065568. Its totient is φ = 12752640.

The previous prime is 13889089. The next prime is 13889143. The reversal of 13889119 is 91198831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13889119 - 29 = 13888607 is a prime.

It is a super-2 number, since 2×138891192 = 385815253192322, 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 (13889159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9267 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (1883196).

Almost surely, 213889119 is an apocalyptic number.

13889119 is a deficient number, since it is larger than the sum of its proper divisors (1176449).

13889119 is a wasteful number, since it uses less digits than its factorization.

13889119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985.

The product of its digits is 15552, while the sum is 40.

The square root of 13889119 is about 3726.8108350170. The cubic root of 13889119 is about 240.3762558878.

The spelling of 13889119 in words is "thirteen million, eight hundred eighty-nine thousand, one hundred nineteen".

Divisors: 1 17 41 697 19927 338759 817007 13889119