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11243055 = 357271031
BaseRepresentation
bin101010111000…
…111000101111
3210011012120110
4222320320233
510334234210
61040551103
7164364405
oct52707057
923135513
1011243055
11638a08a
123922493
1324385c5
1416c9475
15ec1420
hexab8e2f

11243055 has 16 divisors (see below), whose sum is σ = 18031104. Its totient is φ = 5982240.

The previous prime is 11243051. The next prime is 11243059. The reversal of 11243055 is 55034211.

It is an interprime number because it is at equal distance from previous prime (11243051) and next prime (11243059).

It is not a de Polignac number, because 11243055 - 22 = 11243051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10390 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (1126944).

Almost surely, 211243055 is an apocalyptic number.

11243055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11243055 is a deficient number, since it is larger than the sum of its proper divisors (6788049).

11243055 is a wasteful number, since it uses less digits than its factorization.

11243055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 11243055 is about 3353.0665069455. The cubic root of 11243055 is about 224.0241191610.

Adding to 11243055 its reverse (55034211), we get a palindrome (66277266).

The spelling of 11243055 in words is "eleven million, two hundred forty-three thousand, fifty-five".

Divisors: 1 3 5 15 727 1031 2181 3093 3635 5155 10905 15465 749537 2248611 3747685 11243055