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11216995 = 52243399
BaseRepresentation
bin101010110010…
…100001100011
3210002212211021
4222302201203
510332420440
61040230311
7164225416
oct52624143
923085737
1011216995
116371549
12390b397
13242979a
1416bdb7d
15eb884a
hexab2863

11216995 has 4 divisors (see below), whose sum is σ = 13460400. Its totient is φ = 8973592.

The previous prime is 11216993. The next prime is 11217001. The reversal of 11216995 is 59961211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59961211 = 379158209.

It is a cyclic number.

It is not a de Polignac number, because 11216995 - 21 = 11216993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11216995.

It is not an unprimeable number, because it can be changed into a prime (11216993) 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, 1121695 + ... + 1121704.

It is an arithmetic number, because the mean of its divisors is an integer number (3365100).

Almost surely, 211216995 is an apocalyptic number.

11216995 is a deficient number, since it is larger than the sum of its proper divisors (2243405).

11216995 is an equidigital number, since it uses as much as digits as its factorization.

11216995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243404.

The product of its digits is 4860, while the sum is 34.

The square root of 11216995 is about 3349.1782574238. The cubic root of 11216995 is about 223.8508985965.

The spelling of 11216995 in words is "eleven million, two hundred sixteen thousand, nine hundred ninety-five".

Divisors: 1 5 2243399 11216995