Base | Representation |
---|---|
bin | 11101001010001… |
… | …011000010100100 |
3 | 1021002112020100221 |
4 | 131022023002210 |
5 | 2000214042144 |
6 | 120313214124 |
7 | 15060116224 |
oct | 3512130244 |
9 | 1232466327 |
10 | 489205924 |
11 | 231164719 |
12 | 117a01344 |
13 | 7a475c7c |
14 | 48d86084 |
15 | 2ce34d84 |
hex | 1d28b0a4 |
489205924 has 9 divisors (see below), whose sum is σ = 856187787. Its totient is φ = 244580844.
The previous prime is 489205921. The next prime is 489205931. The reversal of 489205924 is 429502984.
It is a happy number.
The square root of 489205924 is 22118.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (489205921) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38707 + ... + 49765.
Almost surely, 2489205924 is an apocalyptic number.
489205924 is the 22118-th square number.
It is an amenable number.
489205924 is a deficient number, since it is larger than the sum of its proper divisors (366981863).
489205924 is an frugal number, since it uses more digits than its factorization.
489205924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22122 (or 11061 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 43.
The cubic root of 489205924 is about 787.9474163336.
The spelling of 489205924 in words is "four hundred eighty-nine million, two hundred five thousand, nine hundred twenty-four".
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