Search a number
-
+
11686969 = 73153857
BaseRepresentation
bin101100100101…
…010000111001
3210222202111201
4230211100321
510442440334
61054254201
7201223540
oct54452071
923882451
1011686969
116662658
123ab7361
132562688
1417a3157
15105cc14
hexb25439

11686969 has 8 divisors (see below), whose sum is σ = 13787648. Its totient is φ = 9694080.

The previous prime is 11686951. The next prime is 11686979. The reversal of 11686969 is 96968611.

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 11686969 - 29 = 11686457 is a prime.

It is a super-2 number, since 2×116869692 = 273170488813922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11686949) 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, 26712 + ... + 27145.

It is an arithmetic number, because the mean of its divisors is an integer number (1723456).

Almost surely, 211686969 is an apocalyptic number.

It is an amenable number.

11686969 is a deficient number, since it is larger than the sum of its proper divisors (2100679).

11686969 is an equidigital number, since it uses as much as digits as its factorization.

11686969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53895.

The product of its digits is 139968, while the sum is 46.

The square root of 11686969 is about 3418.6209207808. The cubic root of 11686969 is about 226.9345551925.

The spelling of 11686969 in words is "eleven million, six hundred eighty-six thousand, nine hundred sixty-nine".

Divisors: 1 7 31 217 53857 376999 1669567 11686969