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11621793 = 33873931
BaseRepresentation
bin101100010101…
…010110100001
3210212110002210
4230111112201
510433344133
61053032333
7200532531
oct54252641
923773083
1011621793
116618697
123a856a9
13253bb01
1417874c1
151048763
hexb155a1

11621793 has 4 divisors (see below), whose sum is σ = 15495728. Its totient is φ = 7747860.

The previous prime is 11621791. The next prime is 11621801. The reversal of 11621793 is 39712611.

11621793 is digitally balanced in base 3, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11621793 - 21 = 11621791 is a prime.

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 11621793.

It is not an unprimeable number, because it can be changed into a prime (11621791) 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, 1936963 + ... + 1936968.

It is an arithmetic number, because the mean of its divisors is an integer number (3873932).

Almost surely, 211621793 is an apocalyptic number.

It is an amenable number.

11621793 is a deficient number, since it is larger than the sum of its proper divisors (3873935).

11621793 is an equidigital number, since it uses as much as digits as its factorization.

11621793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873934.

The product of its digits is 2268, while the sum is 30.

The square root of 11621793 is about 3409.0750945088. The cubic root of 11621793 is about 226.5119116191.

The spelling of 11621793 in words is "eleven million, six hundred twenty-one thousand, seven hundred ninety-three".

Divisors: 1 3 3873931 11621793