Base | Representation |
---|---|
bin | 101101101010… |
… | …110111111101 |
3 | 211112020121212 |
4 | 231222313331 |
5 | 11031101333 |
6 | 1104334205 |
7 | 203522030 |
oct | 55526775 |
9 | 24466555 |
10 | 11972093 |
11 | 68378a1 |
12 | 4014365 |
13 | 26323a3 |
14 | 1839017 |
15 | 10b7448 |
hex | b6adfd |
11972093 has 4 divisors (see below), whose sum is σ = 13682400. Its totient is φ = 10261788.
The previous prime is 11972083. The next prime is 11972101. The reversal of 11972093 is 39027911.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 39027911 = 13 ⋅3002147.
It is a cyclic number.
It is not a de Polignac number, because 11972093 - 212 = 11967997 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 (11972083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855143 + ... + 855156.
It is an arithmetic number, because the mean of its divisors is an integer number (3420600).
Almost surely, 211972093 is an apocalyptic number.
It is an amenable number.
11972093 is a deficient number, since it is larger than the sum of its proper divisors (1710307).
11972093 is an equidigital number, since it uses as much as digits as its factorization.
11972093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1710306.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 11972093 is about 3460.0712420411. The cubic root of 11972093 is about 228.7652355306.
The spelling of 11972093 in words is "eleven million, nine hundred seventy-two thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •