Base | Representation |
---|---|
bin | 1001000111100111011010 |
3 | 11111110010200 |
4 | 21013213122 |
5 | 1102443430 |
6 | 123123030 |
7 | 26214234 |
oct | 11074732 |
9 | 4443120 |
10 | 2390490 |
11 | 1393013 |
12 | 973476 |
13 | 6590bb |
14 | 463254 |
15 | 323460 |
hex | 2479da |
2390490 has 24 divisors (see below), whose sum is σ = 6215508. Its totient is φ = 637440.
The previous prime is 2390477. The next prime is 2390519. The reversal of 2390490 is 940932.
It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 40401 = 1533^2 + 201^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13191 + ... + 13370.
22390490 is an apocalyptic number.
2390490 is an abundant number, since it is smaller than the sum of its proper divisors (3825018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2390490 is a wasteful number, since it uses less digits than its factorization.
2390490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26574 (or 26571 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 2390490 is about 1546.1209525778. The cubic root of 2390490 is about 133.7095140513.
The spelling of 2390490 in words is "two million, three hundred ninety thousand, four hundred ninety".
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