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11212093 = 19135861
BaseRepresentation
bin101010110001…
…010100111101
3210002122002201
4222301110331
510332241333
61040151501
7164205214
oct52612475
923078081
1011212093
1163688a2
123908591
132427499
1416bc07b
15eb717d
hexab153d

11212093 has 4 divisors (see below), whose sum is σ = 11219868. Its totient is φ = 11204320.

The previous prime is 11212081. The next prime is 11212127. The reversal of 11212093 is 39021211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39021211 = 291345559.

It can be written as a sum of positive squares in 2 ways, for example, as 7628644 + 3583449 = 2762^2 + 1893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11212093 is a prime.

It is a super-2 number, since 2×112120932 = 251422058881298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212013) 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, 1018 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (2804967).

Almost surely, 211212093 is an apocalyptic number.

It is an amenable number.

11212093 is a deficient number, since it is larger than the sum of its proper divisors (7775).

11212093 is an equidigital number, since it uses as much as digits as its factorization.

11212093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11212093 is about 3348.4463561479. The cubic root of 11212093 is about 223.8182850789.

The spelling of 11212093 in words is "eleven million, two hundred twelve thousand, ninety-three".

Divisors: 1 1913 5861 11212093