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23840233 = 294717491
BaseRepresentation
bin101101011110…
…0010111101001
31122212012122121
41122330113221
522100341413
62210551241
7406432024
oct132742751
948765577
1023840233
111250357a
127b98521
134c29361
1432481bb
15215db8d
hex16bc5e9

23840233 has 8 divisors (see below), whose sum is σ = 25188480. Its totient is φ = 22527120.

The previous prime is 23840227. The next prime is 23840249. The reversal of 23840233 is 33204832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23840233 - 29 = 23839721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23840198 and 23840207.

It is not an unprimeable number, because it can be changed into a prime (23840633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7383 + ... + 10108.

It is an arithmetic number, because the mean of its divisors is an integer number (3148560).

Almost surely, 223840233 is an apocalyptic number.

It is an amenable number.

23840233 is a deficient number, since it is larger than the sum of its proper divisors (1348247).

23840233 is a wasteful number, since it uses less digits than its factorization.

23840233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17567.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23840233 is about 4882.6461063649. The cubic root of 23840233 is about 287.8084221340.

Adding to 23840233 its product of nonzero digits (3456), we get a square (23843689 = 48832).

The spelling of 23840233 in words is "twenty-three million, eight hundred forty thousand, two hundred thirty-three".

Divisors: 1 29 47 1363 17491 507239 822077 23840233