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23993319 = 371142539
BaseRepresentation
bin101101110000…
…1101111100111
31200010222122110
41123201233213
522120241234
62214132103
7410640240
oct133415747
950128573
1023993319
11125a8599
128051033
134c80c3c
143287cc7
15218e1e9
hex16e1be7

23993319 has 8 divisors (see below), whose sum is σ = 36561280. Its totient is φ = 13710456.

The previous prime is 23993317. The next prime is 23993329. The reversal of 23993319 is 91339932.

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

It is not a de Polignac number, because 23993319 - 21 = 23993317 is a prime.

It is a super-2 number, since 2×239933192 = 1151358713271522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23993317) 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, 571249 + ... + 571290.

It is an arithmetic number, because the mean of its divisors is an integer number (4570160).

Almost surely, 223993319 is an apocalyptic number.

23993319 is a deficient number, since it is larger than the sum of its proper divisors (12567961).

23993319 is a wasteful number, since it uses less digits than its factorization.

23993319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142549.

The product of its digits is 39366, while the sum is 39.

The square root of 23993319 is about 4898.2975613982. The cubic root of 23993319 is about 288.4231458292.

The spelling of 23993319 in words is "twenty-three million, nine hundred ninety-three thousand, three hundred nineteen".

Divisors: 1 3 7 21 1142539 3427617 7997773 23993319