Base | Representation |
---|---|
bin | 1010110001001010… |
… | …0001011000101101 |
3 | 21110110001110122011 |
4 | 2230102201120231 |
5 | 21404434131433 |
6 | 1154454121221 |
7 | 131426104045 |
oct | 25422413055 |
9 | 7413043564 |
10 | 2890536493 |
11 | 12536a5939 |
12 | 688050211 |
13 | 370b09430 |
14 | 1d5c70725 |
15 | 11db703cd |
hex | ac4a162d |
2890536493 has 4 divisors (see below), whose sum is σ = 3112885468. Its totient is φ = 2668187520.
The previous prime is 2890536457. The next prime is 2890536527. The reversal of 2890536493 is 3946350982.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 546717924 + 2343818569 = 23382^2 + 48413^2 .
It is a cyclic number.
It is not a de Polignac number, because 2890536493 - 213 = 2890528301 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 (2890536433) 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, 111174468 + ... + 111174493.
It is an arithmetic number, because the mean of its divisors is an integer number (778221367).
Almost surely, 22890536493 is an apocalyptic number.
It is an amenable number.
2890536493 is a deficient number, since it is larger than the sum of its proper divisors (222348975).
2890536493 is a wasteful number, since it uses less digits than its factorization.
2890536493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222348974.
The product of its (nonzero) digits is 1399680, while the sum is 49.
The square root of 2890536493 is about 53763.7098143348. The cubic root of 2890536493 is about 1424.4902648790.
The spelling of 2890536493 in words is "two billion, eight hundred ninety million, five hundred thirty-six thousand, four hundred ninety-three".
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