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23945225 = 521950411
BaseRepresentation
bin101101101011…
…0000000001001
31200001112200012
41123112000021
522112221400
62213121305
7410350103
oct133260011
950045605
1023945225
1112575447
128029235
134c65095
143274573
15217ed35
hex16d6009

23945225 has 12 divisors (see below), whose sum is σ = 31255440. Its totient is φ = 18147600.

The previous prime is 23945203. The next prime is 23945249. The reversal of 23945225 is 52254932.

It is not a de Polignac number, because 23945225 - 28 = 23944969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23945191 and 23945200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24731 + ... + 25680.

It is an arithmetic number, because the mean of its divisors is an integer number (2604620).

Almost surely, 223945225 is an apocalyptic number.

23945225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23945225 is a deficient number, since it is larger than the sum of its proper divisors (7310215).

23945225 is a wasteful number, since it uses less digits than its factorization.

23945225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440 (or 50435 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 23945225 is about 4893.3858421343. The cubic root of 23945225 is about 288.2303046274.

The spelling of 23945225 in words is "twenty-three million, nine hundred forty-five thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 475 50411 252055 957809 1260275 4789045 23945225