Base | Representation |
---|---|
bin | 111101011010110… |
… | …000111010010001 |
3 | 2122210221002002110 |
4 | 331122300322101 |
5 | 4102242120012 |
6 | 250125335533 |
7 | 34351323120 |
oct | 7532607221 |
9 | 2583832073 |
10 | 1030426257 |
11 | 489715553 |
12 | 2491075a9 |
13 | 1356311a3 |
14 | 9abcbab7 |
15 | 606e173c |
hex | 3d6b0e91 |
1030426257 has 16 divisors (see below), whose sum is σ = 1572867072. Its totient is φ = 587804880.
The previous prime is 1030426223. The next prime is 1030426277. The reversal of 1030426257 is 7526240301.
It is not a de Polignac number, because 1030426257 - 211 = 1030424209 is a prime.
It is a super-2 number, since 2×10304262572 = 2123556542230060098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1030426207) 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, 29469 + ... + 54122.
It is an arithmetic number, because the mean of its divisors is an integer number (98304192).
Almost surely, 21030426257 is an apocalyptic number.
It is an amenable number.
1030426257 is a deficient number, since it is larger than the sum of its proper divisors (542440815).
1030426257 is an equidigital number, since it uses as much as digits as its factorization.
1030426257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84188.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 1030426257 is about 32100.2532233003. The cubic root of 1030426257 is about 1010.0409279889.
Adding to 1030426257 its reverse (7526240301), we get a palindrome (8556666558).
The spelling of 1030426257 in words is "one billion, thirty million, four hundred twenty-six thousand, two hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •