Base | Representation |
---|---|
bin | 11101001010100… |
… | …010100100111011 |
3 | 1021002201010121120 |
4 | 131022202210323 |
5 | 2000230133311 |
6 | 120315240323 |
7 | 15061000260 |
oct | 3512424473 |
9 | 1232633546 |
10 | 489302331 |
11 | 2312200a1 |
12 | 117a490a3 |
13 | 7a4aab0b |
14 | 48dad267 |
15 | 2ce53706 |
hex | 1d2a293b |
489302331 has 16 divisors (see below), whose sum is σ = 753984000. Its totient is φ = 276458688.
The previous prime is 489302327. The next prime is 489302369. The reversal of 489302331 is 133203984.
It is a happy number.
It is not a de Polignac number, because 489302331 - 22 = 489302327 is a prime.
It is a super-2 number, since 2×4893023312 = 478833542244067122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 489302292 and 489302301.
It is not an unprimeable number, because it can be changed into a prime (489302311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129031 + ... + 132768.
It is an arithmetic number, because the mean of its divisors is an integer number (47124000).
Almost surely, 2489302331 is an apocalyptic number.
489302331 is a deficient number, since it is larger than the sum of its proper divisors (264681669).
489302331 is a wasteful number, since it uses less digits than its factorization.
489302331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261898.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 489302331 is about 22120.1792714254. The cubic root of 489302331 is about 787.9991727640. Note that the first 3 decimals are identical.
The spelling of 489302331 in words is "four hundred eighty-nine million, three hundred two thousand, three hundred thirty-one".
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