Base | Representation |
---|---|
bin | 1001000111100010000101 |
3 | 11111102200001 |
4 | 21013202011 |
5 | 1102441044 |
6 | 123121301 |
7 | 26213236 |
oct | 11074205 |
9 | 4442601 |
10 | 2390149 |
11 | 1392833 |
12 | 973231 |
13 | 658bb8 |
14 | 46308d |
15 | 3232d4 |
hex | 247885 |
2390149 has 8 divisors (see below), whose sum is σ = 2574720. Its totient is φ = 2210496.
The previous prime is 2390147. The next prime is 2390159. The reversal of 2390149 is 9410932.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2390149 - 21 = 2390147 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 (2390147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 2194.
It is an arithmetic number, because the mean of its divisors is an integer number (321840).
22390149 is an apocalyptic number.
It is an amenable number.
2390149 is a deficient number, since it is larger than the sum of its proper divisors (184571).
2390149 is a wasteful number, since it uses less digits than its factorization.
2390149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2459.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 2390149 is about 1546.0106726669. The cubic root of 2390149 is about 133.7031559249.
Subtracting from 2390149 its product of nonzero digits (1944), we obtain a triangular number (2388205 = T2185).
The spelling of 2390149 in words is "two million, three hundred ninety thousand, one hundred forty-nine".
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