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11893393 = 29410117
BaseRepresentation
bin101101010111…
…101010010001
3211101020200001
4231113222101
511021042033
61102530001
7203043421
oct55275221
924336601
1011893393
116793756
123b96901
132605615
141818481
15109de7d
hexb57a91

11893393 has 4 divisors (see below), whose sum is σ = 12303540. Its totient is φ = 11483248.

The previous prime is 11893333. The next prime is 11893417. The reversal of 11893393 is 39339811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39339811 = 75619973.

It can be written as a sum of positive squares in 2 ways, for example, as 3179089 + 8714304 = 1783^2 + 2952^2 .

It is a cyclic number.

It is not a de Polignac number, because 11893393 - 213 = 11885201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11893313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 205030 + ... + 205087.

It is an arithmetic number, because the mean of its divisors is an integer number (3075885).

Almost surely, 211893393 is an apocalyptic number.

It is an amenable number.

11893393 is a deficient number, since it is larger than the sum of its proper divisors (410147).

11893393 is an equidigital number, since it uses as much as digits as its factorization.

11893393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410146.

The product of its digits is 17496, while the sum is 37.

The square root of 11893393 is about 3448.6798923646. The cubic root of 11893393 is about 228.2628611380.

The spelling of 11893393 in words is "eleven million, eight hundred ninety-three thousand, three hundred ninety-three".

Divisors: 1 29 410117 11893393