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11163258 = 23468909
BaseRepresentation
bin101010100101…
…011001111010
3210000011010000
4222211121322
510324211013
61035133430
7163612641
oct52453172
923004100
1011163258
116335137
1238a4276
13240b1a2
1416a8358
15ea7973
hexaa567a

11163258 has 20 divisors (see below), whose sum is σ = 25014330. Its totient is φ = 3721032.

The previous prime is 11163247. The next prime is 11163281. The reversal of 11163258 is 85236111.

It can be written as a sum of positive squares in only one way, i.e., 8450649 + 2712609 = 2907^2 + 1647^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34293 + ... + 34616.

Almost surely, 211163258 is an apocalyptic number.

11163258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11163258 is an abundant number, since it is smaller than the sum of its proper divisors (13851072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11163258 is an equidigital number, since it uses as much as digits as its factorization.

11163258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68923 (or 68914 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11163258 is about 3341.1462105092. The cubic root of 11163258 is about 223.4928604539.

Adding to 11163258 its reverse (85236111), we get a palindrome (96399369).

The spelling of 11163258 in words is "eleven million, one hundred sixty-three thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 68909 137818 206727 413454 620181 1240362 1860543 3721086 5581629 11163258