Base | Representation |
---|---|
bin | 111100111010100… |
… | …111110010110001 |
3 | 2122020001222212011 |
4 | 330322213302301 |
5 | 4043113002210 |
6 | 245225002521 |
7 | 34216600504 |
oct | 7472476261 |
9 | 2566058764 |
10 | 1022000305 |
11 | 48498aa57 |
12 | 246323441 |
13 | 133970c11 |
14 | 99a3713b |
15 | 5eac9d8a |
hex | 3cea7cb1 |
1022000305 has 16 divisors (see below), whose sum is σ = 1302258384. Its totient is φ = 767303680.
The previous prime is 1022000293. The next prime is 1022000323. The reversal of 1022000305 is 5030002201.
It can be written as a sum of positive squares in 8 ways, for example, as 126315121 + 895685184 = 11239^2 + 29928^2 .
It is not a de Polignac number, because 1022000305 - 213 = 1021992113 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12975 + ... + 47035.
It is an arithmetic number, because the mean of its divisors is an integer number (81391149).
Almost surely, 21022000305 is an apocalyptic number.
It is an amenable number.
1022000305 is a deficient number, since it is larger than the sum of its proper divisors (280258079).
1022000305 is a wasteful number, since it uses less digits than its factorization.
1022000305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34436.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 1022000305 is about 31968.7394965770. The cubic root of 1022000305 is about 1007.2803035546.
Adding to 1022000305 its reverse (5030002201), we get a palindrome (6052002506).
The spelling of 1022000305 in words is "one billion, twenty-two million, three hundred five", and thus it is an aban number.
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