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13990846 = 28098647
BaseRepresentation
bin110101010111…
…101110111110
3222022210211111
4311113232332
512040201341
61215512234
7226630432
oct65275676
928283744
1013990846
117996591
12482867a
132b8b20c
141c029c2
151365681
hexd57bbe

13990846 has 8 divisors (see below), whose sum is σ = 21014640. Its totient is φ = 6985968.

The previous prime is 13990841. The next prime is 13990849. The reversal of 13990846 is 64809931.

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

It is a junction number, because it is equal to n+sod(n) for n = 13990799 and 13990808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13990841) 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 3 ways as a sum of consecutive naturals, for example, 2706 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (2626830).

Almost surely, 213990846 is an apocalyptic number.

13990846 is a deficient number, since it is larger than the sum of its proper divisors (7023794).

13990846 is an equidigital number, since it uses as much as digits as its factorization.

13990846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 13990846 is about 3740.4339320459. The cubic root of 13990846 is about 240.9616853399.

The spelling of 13990846 in words is "thirteen million, nine hundred ninety thousand, eight hundred forty-six".

Divisors: 1 2 809 1618 8647 17294 6995423 13990846