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23081824 = 25721307
BaseRepresentation
bin101100000001…
…1001101100000
31121102200022101
41120003031200
521402104244
62142420144
7400122643
oct130031540
947380271
1023081824
1112035797
127891654
134a220ac
1430cba5a
15205e0d4
hex1603360

23081824 has 12 divisors (see below), whose sum is σ = 45442404. Its totient is φ = 11540896.

The previous prime is 23081819. The next prime is 23081831. The reversal of 23081824 is 42818032.

It is a junction number, because it is equal to n+sod(n) for n = 23081792 and 23081801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360622 + ... + 360685.

It is an arithmetic number, because the mean of its divisors is an integer number (3786867).

Almost surely, 223081824 is an apocalyptic number.

It is an amenable number.

23081824 is a deficient number, since it is larger than the sum of its proper divisors (22360580).

23081824 is an equidigital number, since it uses as much as digits as its factorization.

23081824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721317 (or 721309 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 23081824 is about 4804.3546913191. The cubic root of 23081824 is about 284.7235402626.

Adding to 23081824 its reverse (42818032), we get a palindrome (65899856).

The spelling of 23081824 in words is "twenty-three million, eighty-one thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 721307 1442614 2885228 5770456 11540912 23081824