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11738893 = 39729569
BaseRepresentation
bin101100110001…
…111100001101
3211002101201211
4230301330031
511001121033
61055334421
7201531115
oct54617415
924071654
1011738893
116698671
123b21411
1325801ba
1417b8045
15106d2cd
hexb31f0d

11738893 has 4 divisors (see below), whose sum is σ = 11768860. Its totient is φ = 11708928.

The previous prime is 11738887. The next prime is 11738897. The reversal of 11738893 is 39883711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39883711 = 75697673.

It can be written as a sum of positive squares in 2 ways, for example, as 7086244 + 4652649 = 2662^2 + 2157^2 .

It is a cyclic number.

It is not a de Polignac number, because 11738893 - 221 = 9641741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11738897) 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, 14388 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (2942215).

Almost surely, 211738893 is an apocalyptic number.

It is an amenable number.

11738893 is a deficient number, since it is larger than the sum of its proper divisors (29967).

11738893 is an equidigital number, since it uses as much as digits as its factorization.

11738893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29966.

The product of its digits is 36288, while the sum is 40.

The square root of 11738893 is about 3426.2067946929. The cubic root of 11738893 is about 227.2701409791.

The spelling of 11738893 in words is "eleven million, seven hundred thirty-eight thousand, eight hundred ninety-three".

Divisors: 1 397 29569 11738893