Base | Representation |
---|---|
bin | 11101001011111… |
… | …001001000111000 |
3 | 1021010101010222022 |
4 | 131023321020320 |
5 | 2000323010023 |
6 | 120331014012 |
7 | 15064005050 |
oct | 3513711070 |
9 | 1233333868 |
10 | 489656888 |
11 | 231442516 |
12 | 117b9a308 |
13 | 7a5a3306 |
14 | 49062560 |
15 | 2cec37c8 |
hex | 1d2f9238 |
489656888 has 32 divisors (see below), whose sum is σ = 1059665760. Its totient is φ = 207772800.
The previous prime is 489656879. The next prime is 489656929. The reversal of 489656888 is 888656984.
It is a self number, because there is not a number n which added to its sum of digits gives 489656888.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37631 + ... + 48942.
It is an arithmetic number, because the mean of its divisors is an integer number (33114555).
Almost surely, 2489656888 is an apocalyptic number.
It is an amenable number.
489656888 is an abundant number, since it is smaller than the sum of its proper divisors (570008872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489656888 is a wasteful number, since it uses less digits than its factorization.
489656888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86687 (or 86683 counting only the distinct ones).
The product of its digits is 26542080, while the sum is 62.
The square root of 489656888 is about 22128.1921539018. The cubic root of 489656888 is about 788.1894594562.
The spelling of 489656888 in words is "four hundred eighty-nine million, six hundred fifty-six thousand, eight hundred eighty-eight".
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