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11839313 = 13818573
BaseRepresentation
bin101101001010…
…011101010001
3211021111111002
4231022131101
511012324223
61101431345
7202426643
oct55123521
924244432
1011839313
116757062
123b6b555
1325b6b15
141802893
15108ce28
hexb4a751

11839313 has 4 divisors (see below), whose sum is σ = 11849268. Its totient is φ = 11829360.

The previous prime is 11839309. The next prime is 11839351. The reversal of 11839313 is 31393811.

11839313 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31393811 = 70944279.

It can be written as a sum of positive squares in 2 ways, for example, as 4592449 + 7246864 = 2143^2 + 2692^2 .

It is a cyclic number.

It is not a de Polignac number, because 11839313 - 22 = 11839309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839363) 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, 2906 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (2962317).

Almost surely, 211839313 is an apocalyptic number.

It is an amenable number.

11839313 is a deficient number, since it is larger than the sum of its proper divisors (9955).

11839313 is an equidigital number, since it uses as much as digits as its factorization.

11839313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954.

The product of its digits is 1944, while the sum is 29.

The square root of 11839313 is about 3440.8302777091. The cubic root of 11839313 is about 227.9163602621.

The spelling of 11839313 in words is "eleven million, eight hundred thirty-nine thousand, three hundred thirteen".

Divisors: 1 1381 8573 11839313