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12834145 = 52566829
BaseRepresentation
bin110000111101…
…010101100001
3220011001010201
4300331111201
511241143040
61135025201
7214042222
oct60752541
926131121
1012834145
117276535
12436b201
13287488c
1419c1249
1511d7a9a
hexc3d561

12834145 has 4 divisors (see below), whose sum is σ = 15400980. Its totient is φ = 10267312.

The previous prime is 12834127. The next prime is 12834181. The reversal of 12834145 is 54143821.

12834145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 3341584 = 3081^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 12834145 - 215 = 12801377 is a prime.

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, 1283410 + ... + 1283419.

It is an arithmetic number, because the mean of its divisors is an integer number (3850245).

Almost surely, 212834145 is an apocalyptic number.

It is an amenable number.

12834145 is a deficient number, since it is larger than the sum of its proper divisors (2566835).

12834145 is an equidigital number, since it uses as much as digits as its factorization.

12834145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566834.

The product of its digits is 3840, while the sum is 28.

The square root of 12834145 is about 3582.4774946955. The cubic root of 12834145 is about 234.1292355976.

Adding to 12834145 its reverse (54143821), we get a palindrome (66977966).

The spelling of 12834145 in words is "twelve million, eight hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 2566829 12834145