Base | Representation |
---|---|
bin | 11101001001011… |
… | …101111000011110 |
3 | 1021002011211122100 |
4 | 131021131320132 |
5 | 2000142132313 |
6 | 120305225530 |
7 | 15055416036 |
oct | 3511357036 |
9 | 1232154570 |
10 | 489020958 |
11 | 231048758 |
12 | 1179322a6 |
13 | 7a40ca1a |
14 | 48d388c6 |
15 | 2cdea173 |
hex | 1d25de1e |
489020958 has 24 divisors (see below), whose sum is σ = 1059960096. Its totient is φ = 162943200.
The previous prime is 489020953. The next prime is 489020989. The reversal of 489020958 is 859020984.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489020951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73698 + ... + 80058.
It is an arithmetic number, because the mean of its divisors is an integer number (44165004).
Almost surely, 2489020958 is an apocalyptic number.
489020958 is an abundant number, since it is smaller than the sum of its proper divisors (570939138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489020958 is a wasteful number, since it uses less digits than its factorization.
489020958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10640 (or 10637 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 489020958 is about 22113.8182591790. The cubic root of 489020958 is about 787.8480976577.
The spelling of 489020958 in words is "four hundred eighty-nine million, twenty thousand, nine hundred fifty-eight".
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