Search a number
-
+
13101804 = 2233121313
BaseRepresentation
bin110001111110…
…101011101100
3220122122022000
4301332223230
511323224204
61144452300
7216235452
oct61765354
926578260
1013101804
117439641
12447a090
132939661
141a509d2
15123c039
hexc7eaec

13101804 has 24 divisors (see below), whose sum is σ = 33967920. Its totient is φ = 4367232.

The previous prime is 13101797. The next prime is 13101827. The reversal of 13101804 is 40810131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60549 + ... + 60764.

It is an arithmetic number, because the mean of its divisors is an integer number (1415330).

Almost surely, 213101804 is an apocalyptic number.

It is an amenable number.

13101804 is an abundant number, since it is smaller than the sum of its proper divisors (20866116).

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

13101804 is a wasteful number, since it uses less digits than its factorization.

13101804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121326 (or 121318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 13101804 is about 3619.6414187043. The cubic root of 13101804 is about 235.7456562734.

Adding to 13101804 its reverse (40810131), we get a palindrome (53911935).

The spelling of 13101804 in words is "thirteen million, one hundred one thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 121313 242626 363939 485252 727878 1091817 1455756 2183634 3275451 4367268 6550902 13101804