Base | Representation |
---|---|
bin | 11101001001101… |
… | …010000001011111 |
3 | 1021002021100212011 |
4 | 131021222001133 |
5 | 2000200230222 |
6 | 120310252051 |
7 | 15056014030 |
oct | 3511520137 |
9 | 1232240764 |
10 | 489070687 |
11 | 231082056 |
12 | 117957027 |
13 | 7a429551 |
14 | 48d4ca87 |
15 | 2ce09c77 |
hex | 1d26a05f |
489070687 has 8 divisors (see below), whose sum is σ = 559135872. Its totient is φ = 419055000.
The previous prime is 489070679. The next prime is 489070693. The reversal of 489070687 is 786070984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 489070687 - 23 = 489070679 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 489070687.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489070607) 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, 12012 + ... + 33502.
It is an arithmetic number, because the mean of its divisors is an integer number (69891984).
Almost surely, 2489070687 is an apocalyptic number.
489070687 is a deficient number, since it is larger than the sum of its proper divisors (70065185).
489070687 is a wasteful number, since it uses less digits than its factorization.
489070687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24749.
The product of its (nonzero) digits is 677376, while the sum is 49.
The square root of 489070687 is about 22114.9426180580. The cubic root of 489070687 is about 787.8748024232.
The spelling of 489070687 in words is "four hundred eighty-nine million, seventy thousand, six hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •