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23943225 = 3521789211
BaseRepresentation
bin101101101010…
…1100000111001
31200001102221010
41123111200321
522112140400
62213104133
7410341215
oct133254071
950042833
1023943225
1112573999
128028049
134c641b7
143273945
15217e450
hex16d5839

23943225 has 48 divisors (see below), whose sum is σ = 42586560. Its totient is φ = 11827200.

The previous prime is 23943209. The next prime is 23943247. The reversal of 23943225 is 52234932.

It is not a de Polignac number, because 23943225 - 24 = 23943209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23943192 and 23943201.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 113370 + ... + 113580.

It is an arithmetic number, because the mean of its divisors is an integer number (887220).

Almost surely, 223943225 is an apocalyptic number.

23943225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23943225 is a deficient number, since it is larger than the sum of its proper divisors (18643335).

23943225 is a wasteful number, since it uses less digits than its factorization.

23943225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 325 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 23943225 is about 4893.1814803868. The cubic root of 23943225 is about 288.2222796918. Note that the first 4 decimals are identical.

The spelling of 23943225 in words is "twenty-three million, nine hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 89 211 255 267 425 445 633 1055 1275 1335 1513 2225 3165 3587 4539 5275 6675 7565 10761 15825 17935 18779 22695 37825 53805 56337 89675 93895 113475 269025 281685 319243 469475 957729 1408425 1596215 4788645 7981075 23943225