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11893193 = 13914861
BaseRepresentation
bin101101010111…
…100111001001
3211101020101122
4231113213021
511021040233
61102525025
7203043014
oct55274711
924336348
1011893193
116793594
123b96775
1326054c0
14181837b
15109dd98
hexb579c9

11893193 has 4 divisors (see below), whose sum is σ = 12808068. Its totient is φ = 10978320.

The previous prime is 11893187. The next prime is 11893223. The reversal of 11893193 is 39139811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39139811 = 53738487.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 9966649 = 1388^2 + 3157^2 .

It is a cyclic number.

It is not a de Polignac number, because 11893193 - 210 = 11892169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11893793) 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, 457418 + ... + 457443.

It is an arithmetic number, because the mean of its divisors is an integer number (3202017).

Almost surely, 211893193 is an apocalyptic number.

11893193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11893193 is a deficient number, since it is larger than the sum of its proper divisors (914875).

11893193 is an equidigital number, since it uses as much as digits as its factorization.

11893193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914874.

The product of its digits is 5832, while the sum is 35.

The square root of 11893193 is about 3448.6508956402. The cubic root of 11893193 is about 228.2615816369.

The spelling of 11893193 in words is "eleven million, eight hundred ninety-three thousand, one hundred ninety-three".

Divisors: 1 13 914861 11893193