Base | Representation |
---|---|
bin | 100101100011111… |
… | …001110101101101 |
3 | 1121220202220021102 |
4 | 211203321311231 |
5 | 2242310401231 |
6 | 142310412445 |
7 | 21421230143 |
oct | 4543716555 |
9 | 1556686242 |
10 | 630168941 |
11 | 2a3794286 |
12 | 157061125 |
13 | a072c73c |
14 | 5d99b593 |
15 | 3a4cbacb |
hex | 258f9d6d |
630168941 has 8 divisors (see below), whose sum is σ = 647520000. Its totient is φ = 612834768.
The previous prime is 630168907. The next prime is 630168943. The reversal of 630168941 is 149861036.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 630168941 - 214 = 630152557 is a prime.
It is a super-2 number, since 2×6301689412 = 794225788402122962, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 630168895 and 630168904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630168943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123560 + ... + 128558.
It is an arithmetic number, because the mean of its divisors is an integer number (80940000).
Almost surely, 2630168941 is an apocalyptic number.
It is an amenable number.
630168941 is a deficient number, since it is larger than the sum of its proper divisors (17351059).
630168941 is a wasteful number, since it uses less digits than its factorization.
630168941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8443.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 630168941 is about 25103.1659557116. The cubic root of 630168941 is about 857.3385092562.
The spelling of 630168941 in words is "six hundred thirty million, one hundred sixty-eight thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •