Search a number
13102338 = 232183723
BaseRepresentation
bin110001111110…
…110100000010
3220122200000210
4301332310002
511323233323
61144454550
7216240144
oct61766402
926580023
1013102338
117439a87
12447a456
132939982
141a50c94
15123c293
hexc7ed02

13102338 has 8 divisors (see below), whose sum is σ = 26204688. Its totient is φ = 4367444.

The previous prime is 13102333. The next prime is 13102351. The reversal of 13102338 is 83320131.

It is a happy number.

13102338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×131023382 = 343342522132488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13102333) 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, 1091856 + ... + 1091867.

It is an arithmetic number, because the mean of its divisors is an integer number (3275586).

Almost surely, 213102338 is an apocalyptic number.

13102338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13102338 is a wasteful number, since it uses less digits than its factorization.

13102338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183728.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13102338 is about 3619.7151821656. The cubic root of 13102338 is about 235.7488590505.

Adding to 13102338 its reverse (83320131), we get a palindrome (96422469).

The spelling of 13102338 in words is "thirteen million, one hundred two thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 2183723 4367446 6551169 13102338