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23385 = 351559
BaseRepresentation
bin101101101011001
31012002010
411231121
51222020
6300133
7125115
oct55531
935063
1023385
111662a
1211649
13a84b
148745
156de0
hex5b59

23385 has 8 divisors (see below), whose sum is σ = 37440. Its totient is φ = 12464.

The previous prime is 23371. The next prime is 23399. The reversal of 23385 is 58332.

It is an interprime number because it is at equal distance from previous prime (23371) and next prime (23399).

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 23385 - 24 = 23369 is a prime.

It is a Curzon number.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (4680).

223385 is an apocalyptic number.

It is an amenable number.

23385 is a deficient number, since it is larger than the sum of its proper divisors (14055).

23385 is a wasteful number, since it uses less digits than its factorization.

23385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its digits is 720, while the sum is 21.

The square root of 23385 is about 152.9215485143. The cubic root of 23385 is about 28.5964720900.

The spelling of 23385 in words is "twenty-three thousand, three hundred eighty-five".

Divisors: 1 3 5 15 1559 4677 7795 23385