Base | Representation |
---|---|
bin | 101001010100011… |
… | …010001111110001 |
3 | 1210022102000220121 |
4 | 221110122033301 |
5 | 2404430404431 |
6 | 152442010241 |
7 | 23115145414 |
oct | 5124321761 |
9 | 1708360817 |
10 | 693216241 |
11 | 326336693 |
12 | 1741a6981 |
13 | b0805733 |
14 | 680cdb7b |
15 | 40cd2611 |
hex | 2951a3f1 |
693216241 has 9 divisors (see below), whose sum is σ = 702419809. Its totient is φ = 684132736.
The previous prime is 693216229. The next prime is 693216263. The reversal of 693216241 is 142612396.
It is a happy number.
The square root of 693216241 is 26329.
It is a perfect power (a square), and thus also a powerful number.
693216241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 471801841 + 221414400 = 21721^2 + 14880^2 .
It is not a de Polignac number, because 693216241 - 29 = 693215729 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 693216197 and 693216206.
It is not an unprimeable number, because it can be changed into a prime (693216211) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2975061 + ... + 2975293.
Almost surely, 2693216241 is an apocalyptic number.
693216241 is the 26329-th square number.
693216241 is the 13165-th centered octagonal number.
It is an amenable number.
693216241 is a deficient number, since it is larger than the sum of its proper divisors (9203568).
693216241 is an frugal number, since it uses more digits than its factorization.
693216241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692 (or 346 counting only the distinct ones).
The product of its digits is 15552, while the sum is 34.
The cubic root of 693216241 is about 885.0264352068.
The spelling of 693216241 in words is "six hundred ninety-three million, two hundred sixteen thousand, two hundred forty-one".
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