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23952249 = 327336457
BaseRepresentation
bin101101101011…
…1101101111001
31200001220022100
41123113231321
522112432444
62213214013
7410406426
oct133275571
950056270
1023952249
111257a752
128031309
134c68339
143276d4d
152181e69
hex16d7b79

23952249 has 12 divisors (see below), whose sum is σ = 35072596. Its totient is φ = 15748992.

The previous prime is 23952233. The next prime is 23952259. The reversal of 23952249 is 94225932.

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 8294400 = 3957^2 + 2880^2 .

It is not a de Polignac number, because 23952249 - 24 = 23952233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23952259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17572 + ... + 18885.

Almost surely, 223952249 is an apocalyptic number.

It is an amenable number.

23952249 is a deficient number, since it is larger than the sum of its proper divisors (11120347).

23952249 is a wasteful number, since it uses less digits than its factorization.

23952249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36536 (or 36533 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 23952249 is about 4894.1034929801. The cubic root of 23952249 is about 288.2584846610.

The spelling of 23952249 in words is "twenty-three million, nine hundred fifty-two thousand, two hundred forty-nine".

Divisors: 1 3 9 73 219 657 36457 109371 328113 2661361 7984083 23952249