Base | Representation |
---|---|
bin | 101100011010101… |
… | …0111100101111011 |
3 | 10211212102102020122 |
4 | 1120311113211323 |
5 | 11023014312100 |
6 | 403520043455 |
7 | 51635031401 |
oct | 13065274573 |
9 | 3755372218 |
10 | 1490385275 |
11 | 6a5313575 |
12 | 35716358b |
13 | 1a9a06ba2 |
14 | 101d1d471 |
15 | 8ac9a985 |
hex | 58d5797b |
1490385275 has 12 divisors (see below), whose sum is σ = 1887400032. Its totient is φ = 1166939040.
The previous prime is 1490385263. The next prime is 1490385277. The reversal of 1490385275 is 5725830941.
It is a de Polignac number, because none of the positive numbers 2k-1490385275 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1490385277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633032 + ... + 635381.
It is an arithmetic number, because the mean of its divisors is an integer number (157283336).
Almost surely, 21490385275 is an apocalyptic number.
1490385275 is a deficient number, since it is larger than the sum of its proper divisors (397014757).
1490385275 is a wasteful number, since it uses less digits than its factorization.
1490385275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1268470 (or 1268465 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 44.
The square root of 1490385275 is about 38605.5083504932. The cubic root of 1490385275 is about 1142.2631953386.
The spelling of 1490385275 in words is "one billion, four hundred ninety million, three hundred eighty-five thousand, two hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •