Search a number
-
+
13081834 = 259110863
BaseRepresentation
bin110001111001…
…110011101010
3220121121220101
4301321303222
511322104314
61144220014
7216123313
oct61716352
926547811
1013081834
117425637
12446a60a
13293053c
141a4760a
151236174
hexc79cea

13081834 has 8 divisors (see below), whose sum is σ = 19955520. Its totient is φ = 6429996.

The previous prime is 13081807. The next prime is 13081841. The reversal of 13081834 is 43818031.

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

It is a super-2 number, since 2×130818342 = 342268761607112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55314 + ... + 55549.

It is an arithmetic number, because the mean of its divisors is an integer number (2494440).

Almost surely, 213081834 is an apocalyptic number.

13081834 is a deficient number, since it is larger than the sum of its proper divisors (6873686).

13081834 is a wasteful number, since it uses less digits than its factorization.

13081834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110924.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 13081834 is about 3616.8818061972. The cubic root of 13081834 is about 235.6258194757.

Adding to 13081834 its reverse (43818031), we get a palindrome (56899865).

The spelling of 13081834 in words is "thirteen million, eighty-one thousand, eight hundred thirty-four".

Divisors: 1 2 59 118 110863 221726 6540917 13081834