Search a number
-
+
23880871 = 78094217
BaseRepresentation
bin101101100011…
…0010010100111
31122221021101201
41123012102213
522103141441
62211503331
7406661350
oct133062247
948837351
1023880871
1112531063
127bb7b47
134c419c1
143258d27
15216ac31
hex16c64a7

23880871 has 8 divisors (see below), whose sum is σ = 27332640. Its totient is φ = 20439168.

The previous prime is 23880851. The next prime is 23880889. The reversal of 23880871 is 17808832.

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 23880871 - 25 = 23880839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23880871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23880821) 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, 3555 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (3416580).

Almost surely, 223880871 is an apocalyptic number.

23880871 is a deficient number, since it is larger than the sum of its proper divisors (3451769).

23880871 is an equidigital number, since it uses as much as digits as its factorization.

23880871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 23880871 is about 4886.8058074779. The cubic root of 23880871 is about 287.9718618021.

The spelling of 23880871 in words is "twenty-three million, eight hundred eighty thousand, eight hundred seventy-one".

Divisors: 1 7 809 4217 5663 29519 3411553 23880871