Search a number
-
+
11676639 = 313299401
BaseRepresentation
bin101100100010…
…101111011111
3210222020100010
4230202233133
510442123024
61054134303
7201151452
oct54425737
923866303
1011676639
116655917
123ab1393
13255aa70
14179d499
151059b29
hexb22bdf

11676639 has 8 divisors (see below), whose sum is σ = 16766512. Its totient is φ = 7185600.

The previous prime is 11676619. The next prime is 11676641. The reversal of 11676639 is 93667611.

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

It is a de Polignac number, because none of the positive numbers 2k-11676639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 299401 = 11676639 / (1 + 1 + 6 + 7 + 6 + 6 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11676597 and 11676606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11676619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149662 + ... + 149739.

It is an arithmetic number, because the mean of its divisors is an integer number (2095814).

Almost surely, 211676639 is an apocalyptic number.

11676639 is a deficient number, since it is larger than the sum of its proper divisors (5089873).

11676639 is a wasteful number, since it uses less digits than its factorization.

11676639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299417.

The product of its digits is 40824, while the sum is 39.

The square root of 11676639 is about 3417.1097436284. The cubic root of 11676639 is about 226.8676737232.

The spelling of 11676639 in words is "eleven million, six hundred seventy-six thousand, six hundred thirty-nine".

Divisors: 1 3 13 39 299401 898203 3892213 11676639