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23640882 = 233940147
BaseRepresentation
bin101101000101…
…1101100110010
31122111002012020
41122023230302
522023002012
62202412310
7404641566
oct132135462
948432166
1023640882
1112387821
127b01096
134b896b5
1431d56a6
15211ea8c
hex168bb32

23640882 has 8 divisors (see below), whose sum is σ = 47281776. Its totient is φ = 7880292.

The previous prime is 23640871. The next prime is 23640889. The reversal of 23640882 is 28804632.

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

23640882 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23640889) 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 3 ways as a sum of consecutive naturals, for example, 1970068 + ... + 1970079.

It is an arithmetic number, because the mean of its divisors is an integer number (5910222).

Almost surely, 223640882 is an apocalyptic number.

23640882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23640882 is a wasteful number, since it uses less digits than its factorization.

23640882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940152.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 23640882 is about 4862.1890131915. The cubic root of 23640882 is about 287.0039617918.

The spelling of 23640882 in words is "twenty-three million, six hundred forty thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 3940147 7880294 11820441 23640882