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23563225 = 527294643
BaseRepresentation
bin101100111100…
…0101111011001
31122100010200001
41121320233121
522013010400
62201013001
7404166310
oct131705731
948303601
1023563225
1112334444
127a84161
134b6024a
1431b5277
152106a6a
hex1678bd9

23563225 has 24 divisors (see below), whose sum is σ = 34551360. Its totient is φ = 15597120.

The previous prime is 23563223. The next prime is 23563231. The reversal of 23563225 is 52236532.

It is not a de Polignac number, because 23563225 - 21 = 23563223 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 23563193 and 23563202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23563223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2754 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (1439640).

Almost surely, 223563225 is an apocalyptic number.

23563225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23563225 is a deficient number, since it is larger than the sum of its proper divisors (10988135).

23563225 is a wasteful number, since it uses less digits than its factorization.

23563225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4684 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 23563225 is about 4854.1966379618. The cubic root of 23563225 is about 286.6893610721.

Adding to 23563225 its reverse (52236532), we get a palindrome (75799757).

The spelling of 23563225 in words is "twenty-three million, five hundred sixty-three thousand, two hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 1015 4643 5075 23215 32501 116075 134647 162505 673235 812525 942529 3366175 4712645 23563225