Base | Representation |
---|---|
bin | 100000001100011… |
… | …1110001011001101 |
3 | 2210021202022110210 |
4 | 1000120332023031 |
5 | 4203023203244 |
6 | 255110153033 |
7 | 35525203356 |
oct | 10030761315 |
9 | 2707668423 |
10 | 1080287949 |
11 | 504881364 |
12 | 261952779 |
13 | 142a6b650 |
14 | a368ad2d |
15 | 64c904b9 |
hex | 4063e2cd |
1080287949 has 16 divisors (see below), whose sum is σ = 1570822400. Its totient is φ = 656375616.
The previous prime is 1080287941. The next prime is 1080287951. The reversal of 1080287949 is 9497820801.
It is not a de Polignac number, because 1080287949 - 23 = 1080287941 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1080287898 and 1080287907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1080287941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172234 + ... + 178395.
It is an arithmetic number, because the mean of its divisors is an integer number (98176400).
Almost surely, 21080287949 is an apocalyptic number.
It is an amenable number.
1080287949 is a deficient number, since it is larger than the sum of its proper divisors (490534451).
1080287949 is a wasteful number, since it uses less digits than its factorization.
1080287949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350724.
The product of its (nonzero) digits is 290304, while the sum is 48.
The square root of 1080287949 is about 32867.7341628534. The cubic root of 1080287949 is about 1026.0767424709.
The spelling of 1080287949 in words is "one billion, eighty million, two hundred eighty-seven thousand, nine hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •