Search a number
-
+
11445668 = 2213534153
BaseRepresentation
bin101011101010…
…010110100100
3210112111111122
4223222112210
510412230133
61045153112
7166200203
oct53522644
923474448
1011445668
116508333
1239bb798
1324a98b0
14173d23a
151011498
hexaea5a4

11445668 has 24 divisors (see below), whose sum is σ = 21982968. Its totient is φ = 5181696.

The previous prime is 11445661. The next prime is 11445671. The reversal of 11445668 is 86654411.

11445668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 11437924 = 88^2 + 3382^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11445661) 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, 680 + ... + 4832.

It is an arithmetic number, because the mean of its divisors is an integer number (915957).

Almost surely, 211445668 is an apocalyptic number.

It is an amenable number.

11445668 is a deficient number, since it is larger than the sum of its proper divisors (10537300).

11445668 is a wasteful number, since it uses less digits than its factorization.

11445668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223 (or 4221 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 11445668 is about 3383.1446909643. The cubic root of 11445668 is about 225.3618408276.

The spelling of 11445668 in words is "eleven million, four hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 53 106 212 689 1378 2756 4153 8306 16612 53989 107978 215956 220109 440218 880436 2861417 5722834 11445668