Base | Representation |
---|---|
bin | 11101001010110… |
… | …101010110101101 |
3 | 1021002212001010020 |
4 | 131022311112231 |
5 | 2000240113440 |
6 | 120321032353 |
7 | 15061440435 |
oct | 3512652655 |
9 | 1232761106 |
10 | 489379245 |
11 | 231272963 |
12 | 117a856b9 |
13 | 7a506b24 |
14 | 48dcd2c5 |
15 | 2ce6b3d0 |
hex | 1d2b55ad |
489379245 has 16 divisors (see below), whose sum is σ = 787110912. Its totient is φ = 259634240.
The previous prime is 489379243. The next prime is 489379249. The reversal of 489379245 is 542973984.
It is not a de Polignac number, because 489379245 - 21 = 489379243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489379243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82542 + ... + 88271.
It is an arithmetic number, because the mean of its divisors is an integer number (49194432).
Almost surely, 2489379245 is an apocalyptic number.
It is an amenable number.
489379245 is a deficient number, since it is larger than the sum of its proper divisors (297731667).
489379245 is a wasteful number, since it uses less digits than its factorization.
489379245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171012.
The product of its digits is 2177280, while the sum is 51.
The square root of 489379245 is about 22121.9177514066. The cubic root of 489379245 is about 788.0404594350.
The spelling of 489379245 in words is "four hundred eighty-nine million, three hundred seventy-nine thousand, two hundred forty-five".
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