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11163213 = 325921023
BaseRepresentation
bin101010100101…
…011001001101
3210000011001100
4222211121031
510324210323
61035133313
7163612545
oct52453115
923004040
1011163213
1163350a6
1238a4239
13240b169
1416a8325
15ea7943
hexaa564d

11163213 has 12 divisors (see below), whose sum is σ = 16398720. Its totient is φ = 7315656.

The previous prime is 11163199. The next prime is 11163221. The reversal of 11163213 is 31236111.

11163213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11163213 - 24 = 11163197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9981 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (1366560).

Almost surely, 211163213 is an apocalyptic number.

It is an amenable number.

11163213 is a deficient number, since it is larger than the sum of its proper divisors (5235507).

11163213 is a wasteful number, since it uses less digits than its factorization.

11163213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21088 (or 21085 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11163213 is about 3341.1394762865. The cubic root of 11163213 is about 223.4925601475.

Adding to 11163213 its reverse (31236111), we get a palindrome (42399324).

The spelling of 11163213 in words is "eleven million, one hundred sixty-three thousand, two hundred thirteen".

Divisors: 1 3 9 59 177 531 21023 63069 189207 1240357 3721071 11163213