Base | Representation |
---|---|
bin | 111110010011010… |
… | …0110000111100011 |
3 | 12101200122000102222 |
4 | 1330212212013203 |
5 | 13240131224022 |
6 | 543234301255 |
7 | 102542614664 |
oct | 17446460743 |
9 | 5350560388 |
10 | 2090492387 |
11 | 983034965 |
12 | 4a412782b |
13 | 27413c459 |
14 | 15b8d336b |
15 | c37da242 |
hex | 7c9a61e3 |
2090492387 has 8 divisors (see below), whose sum is σ = 2126203200. Its totient is φ = 2054828160.
The previous prime is 2090492381. The next prime is 2090492389. The reversal of 2090492387 is 7832940902.
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 2090492387 - 26 = 2090492323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2090492381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85739 + ... + 107387.
It is an arithmetic number, because the mean of its divisors is an integer number (265775400).
Almost surely, 22090492387 is an apocalyptic number.
2090492387 is a deficient number, since it is larger than the sum of its proper divisors (35710813).
2090492387 is a wasteful number, since it uses less digits than its factorization.
2090492387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23293.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 2090492387 is about 45721.9027053774. The cubic root of 2090492387 is about 1278.6436615446.
The spelling of 2090492387 in words is "two billion, ninety million, four hundred ninety-two thousand, three hundred eighty-seven".
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