Base | Representation |
---|---|
bin | 11101001100000… |
… | …011011000110110 |
3 | 1021010110021120012 |
4 | 131030003120312 |
5 | 2000330330440 |
6 | 120331540222 |
7 | 15064241333 |
oct | 3514033066 |
9 | 1233407505 |
10 | 489698870 |
11 | 231471011 |
12 | 117bba672 |
13 | 7a5b945b |
14 | 4907398a |
15 | 2ced0e65 |
hex | 1d303636 |
489698870 has 8 divisors (see below), whose sum is σ = 881457984. Its totient is φ = 195879544.
The previous prime is 489698863. The next prime is 489698873. The reversal of 489698870 is 78896984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489698873) 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, 24484934 + ... + 24484953.
It is an arithmetic number, because the mean of its divisors is an integer number (110182248).
Almost surely, 2489698870 is an apocalyptic number.
489698870 is a deficient number, since it is larger than the sum of its proper divisors (391759114).
489698870 is a wasteful number, since it uses less digits than its factorization.
489698870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48969894.
The product of its (nonzero) digits is 6967296, while the sum is 59.
The square root of 489698870 is about 22129.1407424690. The cubic root of 489698870 is about 788.2119846332.
The spelling of 489698870 in words is "four hundred eighty-nine million, six hundred ninety-eight thousand, eight hundred seventy".
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