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11243057 = 71606151
BaseRepresentation
bin101010111000…
…111000110001
3210011012120112
4222320320301
510334234212
61040551105
7164364410
oct52707061
923135515
1011243057
11638a091
123922495
1324385c7
1416c9477
15ec1422
hexab8e31

11243057 has 4 divisors (see below), whose sum is σ = 12849216. Its totient is φ = 9636900.

The previous prime is 11243051. The next prime is 11243059. The reversal of 11243057 is 75034211.

11243057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11243057 - 26 = 11242993 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 803069 + ... + 803082.

It is an arithmetic number, because the mean of its divisors is an integer number (3212304).

Almost surely, 211243057 is an apocalyptic number.

It is an amenable number.

11243057 is a deficient number, since it is larger than the sum of its proper divisors (1606159).

11243057 is an equidigital number, since it uses as much as digits as its factorization.

11243057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606158.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11243057 is about 3353.0668051800. The cubic root of 11243057 is about 224.0241324447.

Adding to 11243057 its reverse (75034211), we get a palindrome (86277268).

The spelling of 11243057 in words is "eleven million, two hundred forty-three thousand, fifty-seven".

Divisors: 1 7 1606151 11243057