Search a number
-
+
23680283 = 112152753
BaseRepresentation
bin101101001010…
…1010100011011
31122120002020112
41122111110123
522030232113
62203314535
7405164504
oct132252433
948502215
1023680283
1112404390
127b1ba4b
134ba1603
143205bab
15212b5a8
hex169551b

23680283 has 4 divisors (see below), whose sum is σ = 25833048. Its totient is φ = 21527520.

The previous prime is 23680243. The next prime is 23680291. The reversal of 23680283 is 38208632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23680283 - 218 = 23418139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23680243) 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, 1076366 + ... + 1076387.

It is an arithmetic number, because the mean of its divisors is an integer number (6458262).

Almost surely, 223680283 is an apocalyptic number.

23680283 is a deficient number, since it is larger than the sum of its proper divisors (2152765).

23680283 is a wasteful number, since it uses less digits than its factorization.

23680283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152764.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 23680283 is about 4866.2391022226. The cubic root of 23680283 is about 287.1633180378.

The spelling of 23680283 in words is "twenty-three million, six hundred eighty thousand, two hundred eighty-three".

Divisors: 1 11 2152753 23680283