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23993039 = 731110567
BaseRepresentation
bin101101110000…
…1101011001111
31200010222021002
41123201223033
522120234124
62214130515
7410636360
oct133415317
950128232
1023993039
11125a8364
128050a3b
134c80a85
143287b67
15218e0ae
hex16e1acf

23993039 has 8 divisors (see below), whose sum is σ = 28305408. Its totient is φ = 19901880.

The previous prime is 23993027. The next prime is 23993041. The reversal of 23993039 is 93039932.

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 23993039 - 28 = 23992783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23992993 and 23993011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23993009) 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, 55067 + ... + 55500.

It is an arithmetic number, because the mean of its divisors is an integer number (3538176).

Almost surely, 223993039 is an apocalyptic number.

23993039 is a deficient number, since it is larger than the sum of its proper divisors (4312369).

23993039 is a wasteful number, since it uses less digits than its factorization.

23993039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110605.

The product of its (nonzero) digits is 39366, while the sum is 38.

The square root of 23993039 is about 4898.2689799561. The cubic root of 23993039 is about 288.4220238669.

The spelling of 23993039 in words is "twenty-three million, nine hundred ninety-three thousand, thirty-nine".

Divisors: 1 7 31 217 110567 773969 3427577 23993039