Base | Representation |
---|---|
bin | 11101001100000… |
… | …100001001101000 |
3 | 1021010110102211211 |
4 | 131030010021220 |
5 | 2000330430432 |
6 | 120332002504 |
7 | 15064253413 |
oct | 3514041150 |
9 | 1233412754 |
10 | 489701992 |
11 | 23147339a |
12 | 118000434 |
13 | 7a5ba9c0 |
14 | 49074b7a |
15 | 2ced1d47 |
hex | 1d304268 |
489701992 has 32 divisors (see below), whose sum is σ = 1000752480. Its totient is φ = 223289280.
The previous prime is 489701969. The next prime is 489701999. The reversal of 489701992 is 299107984.
It is not an unprimeable number, because it can be changed into a prime (489701999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19734 + ... + 36997.
It is an arithmetic number, because the mean of its divisors is an integer number (31273515).
Almost surely, 2489701992 is an apocalyptic number.
It is an amenable number.
489701992 is an abundant number, since it is smaller than the sum of its proper divisors (511050488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489701992 is a wasteful number, since it uses less digits than its factorization.
489701992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56833 (or 56829 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 49.
The square root of 489701992 is about 22129.2112828270. The cubic root of 489701992 is about 788.2136596712.
The spelling of 489701992 in words is "four hundred eighty-nine million, seven hundred one thousand, nine hundred ninety-two".
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