Base | Representation |
---|---|
bin | 10011010000000001001 |
3 | 1012001021201 |
4 | 2122000021 |
5 | 130141133 |
6 | 21304201 |
7 | 5235022 |
oct | 2320011 |
9 | 1161251 |
10 | 630793 |
11 | 3a0a19 |
12 | 265061 |
13 | 191167 |
14 | 125c49 |
15 | c6d7d |
hex | 9a009 |
630793 has 4 divisors (see below), whose sum is σ = 639508. Its totient is φ = 622080.
The previous prime is 630737. The next prime is 630797. The reversal of 630793 is 397036.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 480249 = 388^2 + 693^2 .
It is a cyclic number.
It is not a de Polignac number, because 630793 - 29 = 630281 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (630797) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248 + ... + 4393.
It is an arithmetic number, because the mean of its divisors is an integer number (159877).
2630793 is an apocalyptic number.
It is an amenable number.
630793 is a deficient number, since it is larger than the sum of its proper divisors (8715).
630793 is an equidigital number, since it uses as much as digits as its factorization.
630793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8714.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 630793 is about 794.2247792659. The cubic root of 630793 is about 85.7621424551.
It can be divided in two parts, 6307 and 93, that added together give a square (6400 = 802).
The spelling of 630793 in words is "six hundred thirty thousand, seven hundred ninety-three".
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