Base | Representation |
---|---|
bin | 11101001110101… |
… | …010111100110101 |
3 | 1021011202011001000 |
4 | 131032222330311 |
5 | 2001014311310 |
6 | 120354353513 |
7 | 15103130322 |
oct | 3516527465 |
9 | 1234664030 |
10 | 490385205 |
11 | 23189a732 |
12 | 11828b899 |
13 | 7a79997b |
14 | 491b1b49 |
15 | 2d0b94c0 |
hex | 1d3aaf35 |
490385205 has 32 divisors (see below), whose sum is σ = 876268800. Its totient is φ = 260197056.
The previous prime is 490385191. The next prime is 490385267. The reversal of 490385205 is 502583094.
It is not a de Polignac number, because 490385205 - 214 = 490368821 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 490385205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17376 + ... + 35814.
It is an arithmetic number, because the mean of its divisors is an integer number (27383400).
Almost surely, 2490385205 is an apocalyptic number.
490385205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
490385205 is a deficient number, since it is larger than the sum of its proper divisors (385883595).
490385205 is a wasteful number, since it uses less digits than its factorization.
490385205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18650 (or 18644 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 490385205 is about 22144.6428058797. The cubic root of 490385205 is about 788.5800509201.
The spelling of 490385205 in words is "four hundred ninety million, three hundred eighty-five thousand, two hundred five".
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