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11238340 = 225561917
BaseRepresentation
bin101010110111…
…101111000100
3210010222002211
4222313233010
510334111330
61040513204
7164344561
oct52675704
923128084
1011238340
116386593
12391b804
132436409
1416c7868
15ebed2a
hexab7bc4

11238340 has 12 divisors (see below), whose sum is σ = 23600556. Its totient is φ = 4495328.

The previous prime is 11238313. The next prime is 11238347. The reversal of 11238340 is 4383211.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 4519876 = 2592^2 + 2126^2 .

It is not an unprimeable number, because it can be changed into a prime (11238347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280939 + ... + 280978.

It is an arithmetic number, because the mean of its divisors is an integer number (1966713).

Almost surely, 211238340 is an apocalyptic number.

11238340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11238340 is an abundant number, since it is smaller than the sum of its proper divisors (12362216).

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

11238340 is a wasteful number, since it uses less digits than its factorization.

11238340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561926 (or 561924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11238340 is about 3352.3633454624. The cubic root of 11238340 is about 223.9927984504.

The spelling of 11238340 in words is "eleven million, two hundred thirty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 561917 1123834 2247668 2809585 5619170 11238340