Search a number
-
+
13145346 = 232730297
BaseRepresentation
bin110010001001…
…010100000010
3220201212000200
4302021110002
511331122341
61145430030
7216506424
oct62112402
926655020
1013145346
117469325
12449b316
132953416
141a62814
151249db6
hexc89502

13145346 has 12 divisors (see below), whose sum is σ = 28481622. Its totient is φ = 4381776.

The previous prime is 13145339. The next prime is 13145347. The reversal of 13145346 is 64354131.

13145346 is a `hidden beast` number, since 1 + 314 + 5 + 346 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10169721 + 2975625 = 3189^2 + 1725^2 .

It is not an unprimeable number, because it can be changed into a prime (13145347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 365131 + ... + 365166.

Almost surely, 213145346 is an apocalyptic number.

13145346 is an abundant number, since it is smaller than the sum of its proper divisors (15336276).

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

13145346 is a wasteful number, since it uses less digits than its factorization.

13145346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730305 (or 730302 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 13145346 is about 3625.6511139380. The cubic root of 13145346 is about 236.0065233283.

Adding to 13145346 its reverse (64354131), we get a palindrome (77499477).

The spelling of 13145346 in words is "thirteen million, one hundred forty-five thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 730297 1460594 2190891 4381782 6572673 13145346