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23054065 = 54610813
BaseRepresentation
bin101011111110…
…0011011110001
31121101021020021
41113330123301
521400212230
62142043441
7366646006
oct127743361
947337207
1023054065
1112016951
127879581
134a12578
1430c18ad
152055c7a
hex15fc6f1

23054065 has 4 divisors (see below), whose sum is σ = 27664884. Its totient is φ = 18443248.

The previous prime is 23054051. The next prime is 23054069. The reversal of 23054065 is 56045032.

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 15397776 + 7656289 = 3924^2 + 2767^2 .

It is a cyclic number.

It is not a de Polignac number, because 23054065 - 25 = 23054033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23054069) 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, 2305402 + ... + 2305411.

It is an arithmetic number, because the mean of its divisors is an integer number (6916221).

Almost surely, 223054065 is an apocalyptic number.

It is an amenable number.

23054065 is a deficient number, since it is larger than the sum of its proper divisors (4610819).

23054065 is an equidigital number, since it uses as much as digits as its factorization.

23054065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610818.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23054065 is about 4801.4648806380. The cubic root of 23054065 is about 284.6093550164.

Adding to 23054065 its reverse (56045032), we get a palindrome (79099097).

The spelling of 23054065 in words is "twenty-three million, fifty-four thousand, sixty-five".

Divisors: 1 5 4610813 23054065