Search a number
-
+
13805083 = 23600221
BaseRepresentation
bin110100101010…
…011000011011
3221222101000101
4310222120123
512013230313
61211520231
7225225025
oct64523033
927871011
1013805083
117879a66
124759077
132b247b6
141b95015
15132a5dd
hexd2a61b

13805083 has 4 divisors (see below), whose sum is σ = 14405328. Its totient is φ = 13204840.

The previous prime is 13805059. The next prime is 13805087. The reversal of 13805083 is 38050831.

13805083 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13805083 - 221 = 11707931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13805087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300088 + ... + 300133.

It is an arithmetic number, because the mean of its divisors is an integer number (3601332).

Almost surely, 213805083 is an apocalyptic number.

13805083 is a deficient number, since it is larger than the sum of its proper divisors (600245).

13805083 is an equidigital number, since it uses as much as digits as its factorization.

13805083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600244.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13805083 is about 3715.5192100163. The cubic root of 13805083 is about 239.8904766473.

The spelling of 13805083 in words is "thirteen million, eight hundred five thousand, eighty-three".

Divisors: 1 23 600221 13805083