Base | Representation |
---|---|
bin | 11101001110010… |
… | …100110110011000 |
3 | 1021011120112212020 |
4 | 131032110312120 |
5 | 2001003412210 |
6 | 120352414440 |
7 | 15102302361 |
oct | 3516246630 |
9 | 1234515766 |
10 | 490294680 |
11 | 231838717 |
12 | 118247420 |
13 | 7a7676c5 |
14 | 4918ab68 |
15 | 2d09c770 |
hex | 1d394d98 |
490294680 has 128 divisors (see below), whose sum is σ = 1542136320. Its totient is φ = 124467200.
The previous prime is 490294631. The next prime is 490294697. The reversal of 490294680 is 86492094.
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, 1106539 + ... + 1106981.
It is an arithmetic number, because the mean of its divisors is an integer number (12047940).
Almost surely, 2490294680 is an apocalyptic number.
490294680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490294680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771068160).
490294680 is an abundant number, since it is smaller than the sum of its proper divisors (1051841640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490294680 is a wasteful number, since it uses less digits than its factorization.
490294680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 881 (or 877 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 490294680 is about 22142.5987634695. The cubic root of 490294680 is about 788.5315240332.
The spelling of 490294680 in words is "four hundred ninety million, two hundred ninety-four thousand, six hundred eighty".
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