Base | Representation |
---|---|
bin | 11101001110100… |
… | …010101000111101 |
3 | 1021011200102100021 |
4 | 131032202220331 |
5 | 2001012214130 |
6 | 120353532141 |
7 | 15102626143 |
oct | 3516425075 |
9 | 1234612307 |
10 | 490351165 |
11 | 2318770a7 |
12 | 118274051 |
13 | 7a787325 |
14 | 491a3593 |
15 | 2d0ae37a |
hex | 1d3a2a3d |
490351165 has 8 divisors (see below), whose sum is σ = 589299768. Its totient is φ = 391695360.
The previous prime is 490351163. The next prime is 490351187. The reversal of 490351165 is 561153094.
It can be written as a sum of positive squares in 4 ways, for example, as 48594841 + 441756324 = 6971^2 + 21018^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 490351165 - 21 = 490351163 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 490351165.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490351163) 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, 69496 + ... + 76225.
It is an arithmetic number, because the mean of its divisors is an integer number (73662471).
Almost surely, 2490351165 is an apocalyptic number.
It is an amenable number.
490351165 is a deficient number, since it is larger than the sum of its proper divisors (98948603).
490351165 is a wasteful number, since it uses less digits than its factorization.
490351165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146399.
The product of its (nonzero) digits is 16200, while the sum is 34.
The square root of 490351165 is about 22143.8742093609. The cubic root of 490351165 is about 788.5618041175.
The spelling of 490351165 in words is "four hundred ninety million, three hundred fifty-one thousand, one hundred sixty-five".
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