Search a number
-
+
9194009 = 11835819
BaseRepresentation
bin100011000100…
…101000011001
3122022002210212
4203010220121
54323202014
6525020505
7141101456
oct43045031
918262725
109194009
11520a660
1230b4735
131b9ba56
14131482d
15c1923e
hex8c4a19

9194009 has 4 divisors (see below), whose sum is σ = 10029840. Its totient is φ = 8358180.

The previous prime is 9193979. The next prime is 9194021. The reversal of 9194009 is 9004919.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9194009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9191009) 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, 417899 + ... + 417920.

It is an arithmetic number, because the mean of its divisors is an integer number (2507460).

Almost surely, 29194009 is an apocalyptic number.

It is an amenable number.

9194009 is a deficient number, since it is larger than the sum of its proper divisors (835831).

9194009 is a wasteful number, since it uses less digits than its factorization.

9194009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835830.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 9194009 is about 3032.1624296861. The cubic root of 9194009 is about 209.4924173658.

The spelling of 9194009 in words is "nine million, one hundred ninety-four thousand, nine".

Divisors: 1 11 835819 9194009