Search a number
-
+
5681013 = 313295023
BaseRepresentation
bin10101101010111101110101
3101200121212220
4111222331311
52423243023
6321432553
766200502
oct25527565
911617786
105681013
113230258
121a9b759
13123ba60
14a7c4a9
157733e3
hex56af75

5681013 has 16 divisors (see below), whose sum is σ = 8440320. Its totient is φ = 3374784.

The previous prime is 5681003. The next prime is 5681033. The reversal of 5681013 is 3101865.

It is not a de Polignac number, because 5681013 - 29 = 5680501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (527520).

Almost surely, 25681013 is an apocalyptic number.

It is an amenable number.

5681013 is a deficient number, since it is larger than the sum of its proper divisors (2759307).

5681013 is a wasteful number, since it uses less digits than its factorization.

5681013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5681013 is about 2383.4875707668. The cubic root of 5681013 is about 178.4330343788.

Adding to 5681013 its reverse (3101865), we get a palindrome (8782878).

The spelling of 5681013 in words is "five million, six hundred eighty-one thousand, thirteen".

Divisors: 1 3 13 29 39 87 377 1131 5023 15069 65299 145667 195897 437001 1893671 5681013