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13982026 = 26991013
BaseRepresentation
bin110101010101…
…100101001010
3222022100201211
4311111211022
512034411101
61215403334
7226562632
oct65254512
928270654
1013982026
11798a9a3
12482354a
132b871b6
141bdd6c2
151362c51
hexd5594a

13982026 has 4 divisors (see below), whose sum is σ = 20973042. Its totient is φ = 6991012.

The previous prime is 13982021. The next prime is 13982027. The reversal of 13982026 is 62028931.

13982026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 3059001 = 3305^2 + 1749^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13982021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495505 + ... + 3495508.

Almost surely, 213982026 is an apocalyptic number.

13982026 is a deficient number, since it is larger than the sum of its proper divisors (6991016).

13982026 is an equidigital number, since it uses as much as digits as its factorization.

13982026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991015.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13982026 is about 3739.2547385809. The cubic root of 13982026 is about 240.9110396338.

The spelling of 13982026 in words is "thirteen million, nine hundred eighty-two thousand, twenty-six".

Divisors: 1 2 6991013 13982026