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13252045 = 52650409
BaseRepresentation
bin110010100011…
…010111001101
3220221021101111
4302203113031
511343031140
61152012021
7220432462
oct62432715
926837344
1013252045
117531504
124531011
13298cb61
141a8d669
15126b7ea
hexca35cd

13252045 has 4 divisors (see below), whose sum is σ = 15902460. Its totient is φ = 10601632.

The previous prime is 13252039. The next prime is 13252051. The reversal of 13252045 is 54025231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13252039) and next prime (13252051).

It can be written as a sum of positive squares in 2 ways, for example, as 10569001 + 2683044 = 3251^2 + 1638^2 .

It is a cyclic number.

It is not a de Polignac number, because 13252045 - 29 = 13251533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325200 + ... + 1325209.

It is an arithmetic number, because the mean of its divisors is an integer number (3975615).

Almost surely, 213252045 is an apocalyptic number.

It is an amenable number.

13252045 is a deficient number, since it is larger than the sum of its proper divisors (2650415).

13252045 is an equidigital number, since it uses as much as digits as its factorization.

13252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650414.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13252045 is about 3640.3358361558. The cubic root of 13252045 is about 236.6433477873.

Adding to 13252045 its reverse (54025231), we get a palindrome (67277276).

The spelling of 13252045 in words is "thirteen million, two hundred fifty-two thousand, forty-five".

Divisors: 1 5 2650409 13252045