Search a number
-
+
11667243 = 372139571
BaseRepresentation
bin101100100000…
…011100101011
3210221202110010
4230200130223
510441322433
61054023003
7201112200
oct54403453
923852403
1011667243
116649855
123aa7a63
1325566c3
141799ca7
151056e63
hexb2072b

11667243 has 24 divisors (see below), whose sum is σ = 18258240. Its totient is φ = 6607440.

The previous prime is 11667223. The next prime is 11667259. The reversal of 11667243 is 34276611.

11667243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11667243 - 25 = 11667211 is a prime.

It is a super-2 number, since 2×116672432 = 272249118442098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11667243.

It is not an unprimeable number, because it can be changed into a prime (11667203) 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 23 ways as a sum of consecutive naturals, for example, 20148 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (760760).

Almost surely, 211667243 is an apocalyptic number.

11667243 is a deficient number, since it is larger than the sum of its proper divisors (6590997).

11667243 is a wasteful number, since it uses less digits than its factorization.

11667243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 720 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 11667243 is about 3415.7346208393. The cubic root of 11667243 is about 226.8068051608.

The spelling of 11667243 in words is "eleven million, six hundred sixty-seven thousand, two hundred forty-three".

Divisors: 1 3 7 21 49 139 147 417 571 973 1713 2919 3997 6811 11991 20433 27979 79369 83937 238107 555583 1666749 3889081 11667243