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23030441 = 72895281
BaseRepresentation
bin101011111011…
…0101010101001
31121100001211022
41113312222221
521343433231
62141342225
7366520100
oct127665251
947301738
1023030441
1112000125
127867975
134a048a5
1430b7037
15204dc7b
hex15f6aa9

23030441 has 12 divisors (see below), whose sum is σ = 27096660. Its totient is φ = 19514880.

The previous prime is 23030431. The next prime is 23030443. The reversal of 23030441 is 14403032.

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 19324816 = 1925^2 + 4396^2 .

It is not a de Polignac number, because 23030441 - 26 = 23030377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1721 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (2258055).

Almost surely, 223030441 is an apocalyptic number.

It is an amenable number.

23030441 is a deficient number, since it is larger than the sum of its proper divisors (4066219).

23030441 is an equidigital number, since it uses as much as digits as its factorization.

23030441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384 (or 5377 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23030441 is about 4799.0041675331. The cubic root of 23030441 is about 284.5121066667.

Adding to 23030441 its reverse (14403032), we get a palindrome (37433473).

The spelling of 23030441 in words is "twenty-three million, thirty thousand, four hundred forty-one".

Divisors: 1 7 49 89 623 4361 5281 36967 258769 470009 3290063 23030441