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23790239 = 117572857
BaseRepresentation
bin101101011000…
…0001010011111
31122202200001222
41122300022133
522042241424
62205523555
7406133204
oct132601237
948680058
1023790239
1112479a60
127b735bb
134c0c685
143233cab
15214de5e
hex16b029f

23790239 has 8 divisors (see below), whose sum is σ = 25996368. Its totient is φ = 21591360.

The previous prime is 23790203. The next prime is 23790253. The reversal of 23790239 is 93209732.

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 23790239 - 212 = 23786143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23790199 and 23790208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23790839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6899 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (3249546).

Almost surely, 223790239 is an apocalyptic number.

23790239 is a deficient number, since it is larger than the sum of its proper divisors (2206129).

23790239 is a wasteful number, since it uses less digits than its factorization.

23790239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 23790239 is about 4877.5238595008. The cubic root of 23790239 is about 287.6070991030.

The spelling of 23790239 in words is "twenty-three million, seven hundred ninety thousand, two hundred thirty-nine".

Divisors: 1 11 757 2857 8327 31427 2162749 23790239