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23282513 = 173134581
BaseRepresentation
bin101100011010…
…0001101010001
31121210212121022
41120310031101
521430020023
62151005225
7401620022
oct130641521
947725538
1023282513
1112162551
127969815
134a92547
143140c49
15209d7c8
hex1634351

23282513 has 4 divisors (see below), whose sum is σ = 23417268. Its totient is φ = 23147760.

The previous prime is 23282491. The next prime is 23282549. The reversal of 23282513 is 31528232.

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 22165264 + 1117249 = 4708^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 23282513 - 26 = 23282449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23282593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67118 + ... + 67463.

It is an arithmetic number, because the mean of its divisors is an integer number (5854317).

Almost surely, 223282513 is an apocalyptic number.

It is an amenable number.

23282513 is a deficient number, since it is larger than the sum of its proper divisors (134755).

23282513 is a wasteful number, since it uses less digits than its factorization.

23282513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134754.

The product of its digits is 2880, while the sum is 26.

The square root of 23282513 is about 4825.1956437019. The cubic root of 23282513 is about 285.5463532076.

The spelling of 23282513 in words is "twenty-three million, two hundred eighty-two thousand, five hundred thirteen".

Divisors: 1 173 134581 23282513