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23229825 = 352309731
BaseRepresentation
bin101100010011…
…1010110000001
31121201012022220
41120213112001
521421323300
62145521253
7401310303
oct130472601
947635286
1023229825
1112126a03
127943229
134a74578
143129973
15208cda0
hex1627581

23229825 has 12 divisors (see below), whose sum is σ = 38406768. Its totient is φ = 12389200.

The previous prime is 23229823. The next prime is 23229853. The reversal of 23229825 is 52892232.

It is not a de Polignac number, because 23229825 - 21 = 23229823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23229823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154791 + ... + 154940.

It is an arithmetic number, because the mean of its divisors is an integer number (3200564).

Almost surely, 223229825 is an apocalyptic number.

23229825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23229825 is a deficient number, since it is larger than the sum of its proper divisors (15176943).

23229825 is a wasteful number, since it uses less digits than its factorization.

23229825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309744 (or 309739 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 23229825 is about 4819.7328764155. The cubic root of 23229825 is about 285.3307947278.

The spelling of 23229825 in words is "twenty-three million, two hundred twenty-nine thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 309731 929193 1548655 4645965 7743275 23229825