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23323525 = 52932941
BaseRepresentation
bin101100011111…
…0001110000101
31121212221212021
41120332032011
521432323100
62151523141
7402150421
oct130761605
947787767
1023323525
1112190345
1279894b1
134aa8104
143151b81
1520aaa1a
hex163e385

23323525 has 6 divisors (see below), whose sum is σ = 28921202. Its totient is φ = 18658800.

The previous prime is 23323523. The next prime is 23323529. The reversal of 23323525 is 52532332.

It can be written as a sum of positive squares in 3 ways, for example, as 4235364 + 19088161 = 2058^2 + 4369^2 .

It is not a de Polignac number, because 23323525 - 21 = 23323523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 932941 = 23323525 / (2 + 3 + 3 + 2 + 3 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23323525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323523) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 466446 + ... + 466495.

Almost surely, 223323525 is an apocalyptic number.

23323525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23323525 is a deficient number, since it is larger than the sum of its proper divisors (5597677).

23323525 is an equidigital number, since it uses as much as digits as its factorization.

23323525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932951 (or 932946 counting only the distinct ones).

The product of its digits is 5400, while the sum is 25.

The square root of 23323525 is about 4829.4435497270. The cubic root of 23323525 is about 285.7139175590.

Adding to 23323525 its reverse (52532332), we get a palindrome (75855857).

The spelling of 23323525 in words is "twenty-three million, three hundred twenty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 932941 4664705 23323525