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13785994 = 225726821
BaseRepresentation
bin110100100101…
…101110001010
3221221101211101
4310211232022
512012122434
61211252014
7225115255
oct64455612
927841741
1013785994
117866692
12474a00a
132b18bc1
141b8c09c
151324b14
hexd25b8a

13785994 has 8 divisors (see below), whose sum is σ = 20760228. Its totient is φ = 6865920.

The previous prime is 13785983. The next prime is 13786007. The reversal of 13785994 is 49958731.

It is a happy number.

13785994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10156969 + 3629025 = 3187^2 + 1905^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12897 + ... + 13924.

Almost surely, 213785994 is an apocalyptic number.

13785994 is a deficient number, since it is larger than the sum of its proper divisors (6974234).

13785994 is a wasteful number, since it uses less digits than its factorization.

13785994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27080.

The product of its digits is 272160, while the sum is 46.

The square root of 13785994 is about 3712.9495014072. The cubic root of 13785994 is about 239.7798560014.

The spelling of 13785994 in words is "thirteen million, seven hundred eighty-five thousand, nine hundred ninety-four".

Divisors: 1 2 257 514 26821 53642 6892997 13785994