Base | Representation |
---|---|
bin | 11101001100001… |
… | …011111011010010 |
3 | 1021010112001112110 |
4 | 131030023323102 |
5 | 2000332440332 |
6 | 120332410150 |
7 | 15064445313 |
oct | 3514137322 |
9 | 1233461473 |
10 | 489733842 |
11 | 231495314 |
12 | 118016956 |
13 | 7a5cc350 |
14 | 4908260a |
15 | 2cedb4cc |
hex | 1d30bed2 |
489733842 has 32 divisors (see below), whose sum is σ = 1057267008. Its totient is φ = 150336576.
The previous prime is 489733831. The next prime is 489733879. The reversal of 489733842 is 248337984.
It is a junction number, because it is equal to n+sod(n) for n = 489733791 and 489733800.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27468 + ... + 41640.
It is an arithmetic number, because the mean of its divisors is an integer number (33039594).
Almost surely, 2489733842 is an apocalyptic number.
489733842 is an abundant number, since it is smaller than the sum of its proper divisors (567533166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489733842 is a wasteful number, since it uses less digits than its factorization.
489733842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14634.
The product of its digits is 1161216, while the sum is 48.
The square root of 489733842 is about 22129.9309081615. The cubic root of 489733842 is about 788.2307476561.
The spelling of 489733842 in words is "four hundred eighty-nine million, seven hundred thirty-three thousand, eight hundred forty-two".
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