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11905793 = 113105361
BaseRepresentation
bin101101011010…
…101100000001
3211101212200022
4231122230001
511021441133
61103103225
7203124524
oct55325401
924355608
1011905793
1167a1aa9
123ba1b15
13260b163
14181cbbb
1510a2998
hexb5ab01

11905793 has 4 divisors (see below), whose sum is σ = 12011268. Its totient is φ = 11800320.

The previous prime is 11905771. The next prime is 11905807. The reversal of 11905793 is 39750911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 7360369 = 2132^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 11905793 - 212 = 11901697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11905093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52568 + ... + 52793.

It is an arithmetic number, because the mean of its divisors is an integer number (3002817).

Almost surely, 211905793 is an apocalyptic number.

It is an amenable number.

11905793 is a deficient number, since it is larger than the sum of its proper divisors (105475).

11905793 is a wasteful number, since it uses less digits than its factorization.

11905793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105474.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 11905793 is about 3450.4772133721. The cubic root of 11905793 is about 228.3421622080.

The spelling of 11905793 in words is "eleven million, nine hundred five thousand, seven hundred ninety-three".

Divisors: 1 113 105361 11905793