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23133365 = 533713729
BaseRepresentation
bin101100000111…
…1110010110101
31121112022000022
41120033302311
521410231430
62143454525
7400426133
oct130176265
947468008
1023133365
1112070492
1278b7445
134a3c6a8
143102753
15206e4e5
hex160fcb5

23133365 has 8 divisors (see below), whose sum is σ = 27844440. Its totient is φ = 18450432.

The previous prime is 23133361. The next prime is 23133403. The reversal of 23133365 is 56333132.

It can be written as a sum of positive squares in 4 ways, for example, as 418609 + 22714756 = 647^2 + 4766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23133365 - 22 = 23133361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (3480555).

Almost surely, 223133365 is an apocalyptic number.

It is an amenable number.

23133365 is a deficient number, since it is larger than the sum of its proper divisors (4711075).

23133365 is a wasteful number, since it uses less digits than its factorization.

23133365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071.

The product of its digits is 4860, while the sum is 26.

The square root of 23133365 is about 4809.7156880631. The cubic root of 23133365 is about 284.9353090065.

Adding to 23133365 its reverse (56333132), we get a palindrome (79466497).

The spelling of 23133365 in words is "twenty-three million, one hundred thirty-three thousand, three hundred sixty-five".

Divisors: 1 5 337 1685 13729 68645 4626673 23133365