Search a number
-
+
11148819 = 311230713
BaseRepresentation
bin101010100001…
…111000010011
3202222102022020
4222201320103
510323230234
61034542523
7163522563
oct52417023
922872266
1011148819
116325300
123897a43
132404746
1416a2da3
15ea3549
hexaa1e13

11148819 has 12 divisors (see below), whose sum is σ = 16339848. Its totient is φ = 6756640.

The previous prime is 11148793. The next prime is 11148853. The reversal of 11148819 is 91884111.

It is not a de Polignac number, because 11148819 - 28 = 11148563 is a prime.

It is a super-2 number, since 2×111488192 = 248592330189522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 11148819.

It is not an unprimeable number, because it can be changed into a prime (11148899) 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 11 ways as a sum of consecutive naturals, for example, 14994 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (1361654).

Almost surely, 211148819 is an apocalyptic number.

11148819 is a deficient number, since it is larger than the sum of its proper divisors (5191029).

11148819 is a wasteful number, since it uses less digits than its factorization.

11148819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30738 (or 30727 counting only the distinct ones).

The product of its digits is 2304, while the sum is 33.

The square root of 11148819 is about 3338.9847259309. The cubic root of 11148819 is about 223.3964607073.

The spelling of 11148819 in words is "eleven million, one hundred forty-eight thousand, eight hundred nineteen".

Divisors: 1 3 11 33 121 363 30713 92139 337843 1013529 3716273 11148819