Search a number
-
+
13801682 = 26900841
BaseRepresentation
bin110100101001…
…100011010010
3221222012100102
4310221203102
512013123212
61211452402
7225212066
oct64514322
927865312
1013801682
117877454
124757102
132b2309b
141b93aa6
1513295c2
hexd298d2

13801682 has 4 divisors (see below), whose sum is σ = 20702526. Its totient is φ = 6900840.

The previous prime is 13801681. The next prime is 13801687. The reversal of 13801682 is 28610831.

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., 12823561 + 978121 = 3581^2 + 989^2 .

It is not an unprimeable number, because it can be changed into a prime (13801681) 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, 3450419 + ... + 3450422.

Almost surely, 213801682 is an apocalyptic number.

13801682 is a deficient number, since it is larger than the sum of its proper divisors (6900844).

13801682 is an equidigital number, since it uses as much as digits as its factorization.

13801682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900843.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 13801682 is about 3715.0615068933. The cubic root of 13801682 is about 239.8707753407.

The spelling of 13801682 in words is "thirteen million, eight hundred one thousand, six hundred eighty-two".

Divisors: 1 2 6900841 13801682