Base | Representation |
---|---|
bin | 11101001110101… |
… | …111011000000000 |
3 | 1021011210001220020 |
4 | 131032233120000 |
5 | 2001020401303 |
6 | 120355013440 |
7 | 15103234212 |
oct | 3516573000 |
9 | 1234701806 |
10 | 490403328 |
11 | 231902308 |
12 | 11829a280 |
13 | 7a7a4cac |
14 | 491b85b2 |
15 | 2d0bea53 |
hex | 1d3af600 |
490403328 has 80 divisors (see below), whose sum is σ = 1341930480. Its totient is φ = 159031296.
The previous prime is 490403327. The next prime is 490403359. The reversal of 490403328 is 823304094.
It is a super-2 number, since 2×4904033282 = 480990848226951168, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490403327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52518 + ... + 61146.
It is an arithmetic number, because the mean of its divisors is an integer number (16774131).
Almost surely, 2490403328 is an apocalyptic number.
490403328 is a gapful number since it is divisible by the number (48) 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 490403328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670965240).
490403328 is an abundant number, since it is smaller than the sum of its proper divisors (851527152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490403328 is an equidigital number, since it uses as much as digits as its factorization.
490403328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8687 (or 8671 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 490403328 is about 22145.0519981327. The cubic root of 490403328 is about 788.5897652291.
The spelling of 490403328 in words is "four hundred ninety million, four hundred three thousand, three hundred twenty-eight".
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