Base | Representation |
---|---|
bin | 11101011110001… |
… | …010100001011000 |
3 | 1021110101111100000 |
4 | 131132022201120 |
5 | 2003034243210 |
6 | 121021413000 |
7 | 15152504340 |
oct | 3536124130 |
9 | 1243344300 |
10 | 494446680 |
11 | 234114122 |
12 | 11970a160 |
13 | 7b58c500 |
14 | 4994bd20 |
15 | 2d61cac0 |
hex | 1d78a858 |
494446680 has 576 divisors, whose sum is σ = 2110268160. Its totient is φ = 101896704.
The previous prime is 494446643. The next prime is 494446681. The reversal of 494446680 is 86644494.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (494446681) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11498739 + ... + 11498781.
It is an arithmetic number, because the mean of its divisors is an integer number (3663660).
Almost surely, 2494446680 is an apocalyptic number.
494446680 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 494446680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055134080).
494446680 is an abundant number, since it is smaller than the sum of its proper divisors (1615821480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494446680 is a wasteful number, since it uses less digits than its factorization.
494446680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102 (or 73 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 45.
The square root of 494446680 is about 22236.1570420790. The cubic root of 494446680 is about 790.7511309233.
The spelling of 494446680 in words is "four hundred ninety-four million, four hundred forty-six thousand, six hundred eighty".
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