Search a number
-
+
11683887 = 319919571
BaseRepresentation
bin101100100100…
…100000101111
3210222121021120
4230210200233
510442341022
61054232023
7201211545
oct54444057
923877246
1011683887
116660306
123ab5613
132561157
1417a1d95
15105bd5c
hexb2482f

11683887 has 8 divisors (see below), whose sum is σ = 15657600. Its totient is φ = 7749720.

The previous prime is 11683883. The next prime is 11683891. The reversal of 11683887 is 78838611.

It is an interprime number because it is at equal distance from previous prime (11683883) and next prime (11683891).

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

It is not a de Polignac number, because 11683887 - 22 = 11683883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11683883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9189 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (1957200).

Almost surely, 211683887 is an apocalyptic number.

11683887 is a deficient number, since it is larger than the sum of its proper divisors (3973713).

11683887 is a wasteful number, since it uses less digits than its factorization.

11683887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19773.

The product of its digits is 64512, while the sum is 42.

The square root of 11683887 is about 3418.1701244964. The cubic root of 11683887 is about 226.9146049445.

The spelling of 11683887 in words is "eleven million, six hundred eighty-three thousand, eight hundred eighty-seven".

Divisors: 1 3 199 597 19571 58713 3894629 11683887