Base | Representation |
---|---|
bin | 111100110101000… |
… | …001111110101001 |
3 | 2122010022112102101 |
4 | 330311001332221 |
5 | 4042224102242 |
6 | 245133333401 |
7 | 34201254550 |
oct | 7465017651 |
9 | 2563275371 |
10 | 1020534697 |
11 | 484079906 |
12 | 245937261 |
13 | 133579ab0 |
14 | 99774d97 |
15 | 5e8da9b7 |
hex | 3cd41fa9 |
1020534697 has 32 divisors (see below), whose sum is σ = 1285862144. Its totient is φ = 788486400.
The previous prime is 1020534689. The next prime is 1020534709. The reversal of 1020534697 is 7964350201.
It is not a de Polignac number, because 1020534697 - 23 = 1020534689 is a prime.
It is a super-3 number, since 3×10205346973 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1020534637) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870922 + ... + 872092.
It is an arithmetic number, because the mean of its divisors is an integer number (40183192).
Almost surely, 21020534697 is an apocalyptic number.
It is an amenable number.
1020534697 is a deficient number, since it is larger than the sum of its proper divisors (265327447).
1020534697 is a wasteful number, since it uses less digits than its factorization.
1020534697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1409.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 1020534697 is about 31945.8087548273. The cubic root of 1020534697 is about 1006.7985736516.
Adding to 1020534697 its reverse (7964350201), we get a palindrome (8984884898).
The spelling of 1020534697 in words is "one billion, twenty million, five hundred thirty-four thousand, six hundred ninety-seven".
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