Search a number
-
+
13832986 = 26916493
BaseRepresentation
bin110100110001…
…001100011010
3222000210021211
4310301030122
512020123421
61212253334
7225402256
oct64611432
928023254
1013832986
117898a22
12477124a
132b343cb
141ba1266
1513339e1
hexd3131a

13832986 has 4 divisors (see below), whose sum is σ = 20749482. Its totient is φ = 6916492.

The previous prime is 13832981. The next prime is 13832999. The reversal of 13832986 is 68923831.

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., 13830961 + 2025 = 3719^2 + 45^2 .

It is a Smith number, since the sum of its digits (40) 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 (13832981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458245 + ... + 3458248.

Almost surely, 213832986 is an apocalyptic number.

13832986 is a deficient number, since it is larger than the sum of its proper divisors (6916496).

13832986 is an equidigital number, since it uses as much as digits as its factorization.

13832986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916495.

The product of its digits is 62208, while the sum is 40.

The square root of 13832986 is about 3719.2722406406. The cubic root of 13832986 is about 240.0519910512.

It can be divided in two parts, 138 and 32986, that added together give a square (33124 = 1822).

The spelling of 13832986 in words is "thirteen million, eight hundred thirty-two thousand, nine hundred eighty-six".

Divisors: 1 2 6916493 13832986