Base | Representation |
---|---|
bin | 101001001001110… |
… | …0010001110010001 |
3 | 10120020022120200211 |
4 | 1102103202032101 |
5 | 10311444241000 |
6 | 345004244121 |
7 | 46135024255 |
oct | 12223421621 |
9 | 3506276624 |
10 | 1380852625 |
11 | 649501019 |
12 | 326540641 |
13 | 190106479 |
14 | d156a265 |
15 | 813617ba |
hex | 524e2391 |
1380852625 has 16 divisors (see below), whose sum is σ = 1824677712. Its totient is φ = 1039699200.
The previous prime is 1380852581. The next prime is 1380852689. The reversal of 1380852625 is 5262580831.
It can be written as a sum of positive squares in 8 ways, for example, as 206899456 + 1173953169 = 14384^2 + 34263^2 .
It is not a de Polignac number, because 1380852625 - 217 = 1380721553 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 322782 + ... + 327031.
It is an arithmetic number, because the mean of its divisors is an integer number (114042357).
Almost surely, 21380852625 is an apocalyptic number.
It is an amenable number.
1380852625 is a deficient number, since it is larger than the sum of its proper divisors (443825087).
1380852625 is an equidigital number, since it uses as much as digits as its factorization.
1380852625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649845 (or 649835 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 40.
The square root of 1380852625 is about 37159.8254167051. The cubic root of 1380852625 is about 1113.5655237712.
The spelling of 1380852625 in words is "one billion, three hundred eighty million, eight hundred fifty-two thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •