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23868993 = 371112061
BaseRepresentation
bin101101100001…
…1011001000001
31122220200002210
41123003121001
522102301433
62211332333
7406611621
oct133033101
948820083
1023868993
1112523145
127bb10a9
134c39485
143254881
152167463
hex16c3641

23868993 has 8 divisors (see below), whose sum is σ = 32273856. Its totient is φ = 15688400.

The previous prime is 23868931. The next prime is 23869031. The reversal of 23868993 is 39986832.

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 23868993 - 210 = 23867969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23868193) 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 7 ways as a sum of consecutive naturals, for example, 55818 + ... + 56243.

It is an arithmetic number, because the mean of its divisors is an integer number (4034232).

Almost surely, 223868993 is an apocalyptic number.

It is an amenable number.

23868993 is a deficient number, since it is larger than the sum of its proper divisors (8404863).

23868993 is a wasteful number, since it uses less digits than its factorization.

23868993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112135.

The product of its digits is 559872, while the sum is 48.

The square root of 23868993 is about 4885.5903430394. The cubic root of 23868993 is about 287.9241095371.

The spelling of 23868993 in words is "twenty-three million, eight hundred sixty-eight thousand, nine hundred ninety-three".

Divisors: 1 3 71 213 112061 336183 7956331 23868993