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13806046 = 219363317
BaseRepresentation
bin110100101010…
…100111011110
3221222102100001
4310222213132
512013243141
61211524514
7225230602
oct64524736
927872301
1013806046
11787a761
12475973a
132b25077
141b95502
15132aa31
hexd2a9de

13806046 has 8 divisors (see below), whose sum is σ = 21799080. Its totient is φ = 6539688.

The previous prime is 13806019. The next prime is 13806047. The reversal of 13806046 is 64060831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806047) 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, 181621 + ... + 181696.

It is an arithmetic number, because the mean of its divisors is an integer number (2724885).

Almost surely, 213806046 is an apocalyptic number.

13806046 is a deficient number, since it is larger than the sum of its proper divisors (7993034).

13806046 is a wasteful number, since it uses less digits than its factorization.

13806046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363338.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13806046 is about 3715.6487993351. The cubic root of 13806046 is about 239.8960545241.

Adding to 13806046 its reverse (64060831), we get a palindrome (77866877).

The spelling of 13806046 in words is "thirteen million, eight hundred six thousand, forty-six".

Divisors: 1 2 19 38 363317 726634 6903023 13806046