Base | Representation |
---|---|
bin | 111001100010110… |
… | …0100010110000001 |
3 | 11222120012210202022 |
4 | 1303011210112001 |
5 | 12423243330200 |
6 | 515332331225 |
7 | 65563602314 |
oct | 16305442601 |
9 | 4876183668 |
10 | 1930839425 |
11 | 9009aa269 |
12 | 45a773b15 |
13 | 24a040948 |
14 | 14461497b |
15 | b47a0885 |
hex | 73164581 |
1930839425 has 12 divisors (see below), whose sum is σ = 2421145260. Its totient is φ = 1527313920.
The previous prime is 1930839419. The next prime is 1930839431. The reversal of 1930839425 is 5249380391.
It is an interprime number because it is at equal distance from previous prime (1930839419) and next prime (1930839431).
It can be written as a sum of positive squares in 6 ways, for example, as 379456 + 1930459969 = 616^2 + 43937^2 .
It is not a de Polignac number, because 1930839425 - 210 = 1930838401 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431672 + ... + 436121.
It is an arithmetic number, because the mean of its divisors is an integer number (201762105).
Almost surely, 21930839425 is an apocalyptic number.
It is an amenable number.
1930839425 is a deficient number, since it is larger than the sum of its proper divisors (490305835).
1930839425 is an equidigital number, since it uses as much as digits as its factorization.
1930839425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867892 (or 867887 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 44.
The square root of 1930839425 is about 43941.3179706754. The cubic root of 1930839425 is about 1245.2275461364.
The spelling of 1930839425 in words is "one billion, nine hundred thirty million, eight hundred thirty-nine thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •