Base | Representation |
---|---|
bin | 1011011010000001011101 |
3 | 12121220202011 |
4 | 23122001131 |
5 | 1231141143 |
6 | 144031221 |
7 | 34262464 |
oct | 13320135 |
9 | 5556664 |
10 | 2990173 |
11 | 176261a |
12 | 1002511 |
13 | 809044 |
14 | 57b9db |
15 | 3e0e9d |
hex | 2da05d |
2990173 has 4 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 2986588.
The previous prime is 2990137. The next prime is 2990189. The reversal of 2990173 is 3710992.
2990173 is digitally balanced in base 2, 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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2990173 - 213 = 2981981 is a prime.
It is a super-2 number, since 2×29901732 = 17882269139858, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990123) 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, 186 + ... + 2452.
It is an arithmetic number, because the mean of its divisors is an integer number (748440).
22990173 is an apocalyptic number.
It is an amenable number.
2990173 is a deficient number, since it is larger than the sum of its proper divisors (3587).
2990173 is a wasteful number, since it uses less digits than its factorization.
2990173 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3586.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 2990173 is about 1729.2116700971. The cubic root of 2990173 is about 144.0673071410.
The spelling of 2990173 in words is "two million, nine hundred ninety thousand, one hundred seventy-three".
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