Base | Representation |
---|---|
bin | 1001110011001010… |
… | …0001100100011101 |
3 | 20210022201202110021 |
4 | 2130302201210131 |
5 | 20341401143042 |
6 | 1113004312141 |
7 | 122120541133 |
oct | 23462414435 |
9 | 6708652407 |
10 | 2630490397 |
11 | 112a930407 |
12 | 614b42651 |
13 | 32bc8a1c2 |
14 | 1ad4db753 |
15 | 105e04867 |
hex | 9cca191d |
2630490397 has 12 divisors (see below), whose sum is σ = 2823301440. Its totient is φ = 2449785672.
The previous prime is 2630490367. The next prime is 2630490403. The reversal of 2630490397 is 7930940362.
It is not a de Polignac number, because 2630490397 - 211 = 2630488349 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 (2630490367) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40453 + ... + 83050.
It is an arithmetic number, because the mean of its divisors is an integer number (235275120).
Almost surely, 22630490397 is an apocalyptic number.
It is an amenable number.
2630490397 is a deficient number, since it is larger than the sum of its proper divisors (192811043).
2630490397 is a wasteful number, since it uses less digits than its factorization.
2630490397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123600 (or 123581 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 43.
The square root of 2630490397 is about 51288.3066302642. The cubic root of 2630490397 is about 1380.4231701257.
The spelling of 2630490397 in words is "two billion, six hundred thirty million, four hundred ninety thousand, three hundred ninety-seven".
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