Base | Representation |
---|---|
bin | 11101001001011… |
… | …000100100100101 |
3 | 1021002010201210200 |
4 | 131021120210211 |
5 | 2000140433310 |
6 | 120304541113 |
7 | 15055265442 |
oct | 3511304445 |
9 | 1232121720 |
10 | 488999205 |
11 | 231033382 |
12 | 117921799 |
13 | 7a402b56 |
14 | 48d309c9 |
15 | 2cde39c0 |
hex | 1d258925 |
488999205 has 48 divisors (see below), whose sum is σ = 889888896. Its totient is φ = 247927680.
The previous prime is 488999183. The next prime is 488999227. The reversal of 488999205 is 502999884.
It is an interprime number because it is at equal distance from previous prime (488999183) and next prime (488999227).
It is not a de Polignac number, because 488999205 - 28 = 488998949 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177690 + ... + 180420.
It is an arithmetic number, because the mean of its divisors is an integer number (18539352).
Almost surely, 2488999205 is an apocalyptic number.
488999205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
488999205 is a deficient number, since it is larger than the sum of its proper divisors (400889691).
488999205 is a wasteful number, since it uses less digits than its factorization.
488999205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2938 (or 2935 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 54.
The square root of 488999205 is about 22113.3264119173. The cubic root of 488999205 is about 787.8364155995.
The spelling of 488999205 in words is "four hundred eighty-eight million, nine hundred ninety-nine thousand, two hundred five".
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