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23198944 = 25724967
BaseRepresentation
bin101100001111…
…1110011100000
31121122121222011
41120133303200
521414331234
62145122304
7401121256
oct130376340
947577864
1023198944
111210578a
127929394
134a634b2
14311c5d6
152083b64
hex161fce0

23198944 has 12 divisors (see below), whose sum is σ = 45672984. Its totient is φ = 11599456.

The previous prime is 23198941. The next prime is 23198953. The reversal of 23198944 is 44989132.

It is a junction number, because it is equal to n+sod(n) for n = 23198897 and 23198906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23198941) 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 as a sum of consecutive naturals, namely, 362452 + ... + 362515.

It is an arithmetic number, because the mean of its divisors is an integer number (3806082).

Almost surely, 223198944 is an apocalyptic number.

It is an amenable number.

23198944 is a deficient number, since it is larger than the sum of its proper divisors (22474040).

23198944 is an equidigital number, since it uses as much as digits as its factorization.

23198944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724977 (or 724969 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 23198944 is about 4816.5282102361. The cubic root of 23198944 is about 285.2043020595.

It can be divided in two parts, 23198 and 944, that added together give a palindrome (24142).

The spelling of 23198944 in words is "twenty-three million, one hundred ninety-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 724967 1449934 2899868 5799736 11599472 23198944