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11131450 = 2521137547
BaseRepresentation
bin101010011101…
…101000111010
3202221112110221
4222131220322
510322201300
61034330254
7163421131
oct52355072
922845427
1011131450
116313250
12388998a
1323c9875
14169a918
15e9d31a
hexa9da3a

11131450 has 48 divisors (see below), whose sum is σ = 23239584. Its totient is φ = 3931200.

The previous prime is 11131427. The next prime is 11131469. The reversal of 11131450 is 5413111.

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 23 ways as a sum of consecutive naturals, for example, 20077 + ... + 20623.

It is an arithmetic number, because the mean of its divisors is an integer number (484158).

Almost surely, 211131450 is an apocalyptic number.

11131450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131450 is an abundant number, since it is smaller than the sum of its proper divisors (12108134).

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

11131450 is a wasteful number, since it uses less digits than its factorization.

11131450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11131450 is about 3336.3827718054. The cubic root of 11131450 is about 223.2803889250.

Adding to 11131450 its reverse (5413111), we get a palindrome (16544561).

The spelling of 11131450 in words is "eleven million, one hundred thirty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 37 50 55 74 110 185 275 370 407 547 550 814 925 1094 1850 2035 2735 4070 5470 6017 10175 12034 13675 20239 20350 27350 30085 40478 60170 101195 150425 202390 222629 300850 445258 505975 1011950 1113145 2226290 5565725 11131450