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23552225 = 5217151367
BaseRepresentation
bin101100111011…
…0000011100001
31122022120120122
41121312003201
522012132400
62200450025
7404122244
oct131660341
948276518
1023552225
1112327154
127a79915
134b58238
1431b125b
152103685
hex16760e1

23552225 has 24 divisors (see below), whose sum is σ = 31212288. Its totient is φ = 17568000.

The previous prime is 23552173. The next prime is 23552227. The reversal of 23552225 is 52225532.

It is a happy number.

It is not a de Polignac number, because 23552225 - 210 = 23551201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23552194 and 23552203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23552227) 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, 63992 + ... + 64358.

It is an arithmetic number, because the mean of its divisors is an integer number (1300512).

Almost surely, 223552225 is an apocalyptic number.

23552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23552225 is a deficient number, since it is larger than the sum of its proper divisors (7660063).

23552225 is a wasteful number, since it uses less digits than its factorization.

23552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

The product of its digits is 6000, while the sum is 26.

The square root of 23552225 is about 4853.0634654824. The cubic root of 23552225 is about 286.6447424793.

Adding to 23552225 its reverse (52225532), we get a palindrome (75777757).

The spelling of 23552225 in words is "twenty-three million, five hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 151 367 425 755 1835 2567 3775 6239 9175 12835 31195 55417 64175 155975 277085 942089 1385425 4710445 23552225