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13889046 = 232314841
BaseRepresentation
bin110100111110…
…111000010110
3222010122012010
4310332320112
512023422141
61213405050
7226024563
oct64767026
928118163
1013889046
117927056
124799786
132b53a92
141bb786a
151345416
hexd3ee16

13889046 has 8 divisors (see below), whose sum is σ = 27778104. Its totient is φ = 4629680.

The previous prime is 13889041. The next prime is 13889059. The reversal of 13889046 is 64098831.

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

13889046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13888995 and 13889013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889041) 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, 1157415 + ... + 1157426.

It is an arithmetic number, because the mean of its divisors is an integer number (3472263).

Almost surely, 213889046 is an apocalyptic number.

13889046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13889046 is a wasteful number, since it uses less digits than its factorization.

13889046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314846.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 13889046 is about 3726.8010411075. The cubic root of 13889046 is about 240.3758347549.

Adding to 13889046 its sum of digits (39), we get a triangular number (13889085 = T5270).

The spelling of 13889046 in words is "thirteen million, eight hundred eighty-nine thousand, forty-six".

Divisors: 1 2 3 6 2314841 4629682 6944523 13889046