Search a number
-
+
13149628 = 226475081
BaseRepresentation
bin110010001010…
…010110111100
3220202001220021
4302022112330
511331242003
61145501524
7216525052
oct62122674
926661807
1013149628
117471568
1244a18a4
13295535b
141a641d2
15124b2bd
hexc8a5bc

13149628 has 12 divisors (see below), whose sum is σ = 23051952. Its totient is φ = 6563360.

The previous prime is 13149623. The next prime is 13149659. The reversal of 13149628 is 82694131.

13149628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13149593 and 13149602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149623) 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, 48 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1920996).

Almost surely, 213149628 is an apocalyptic number.

It is an amenable number.

13149628 is a deficient number, since it is larger than the sum of its proper divisors (9902324).

13149628 is a wasteful number, since it uses less digits than its factorization.

13149628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732 (or 5730 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 13149628 is about 3626.2415804797. The cubic root of 13149628 is about 236.0321463440.

The spelling of 13149628 in words is "thirteen million, one hundred forty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 647 1294 2588 5081 10162 20324 3287407 6574814 13149628