Base | Representation |
---|---|
bin | 10011011101110… |
… | …00001000100010 |
3 | 102101020122211200 |
4 | 21232320020202 |
5 | 313300032430 |
6 | 24111422030 |
7 | 4021613106 |
oct | 1156701042 |
9 | 371218750 |
10 | 163283490 |
11 | 84195337 |
12 | 46824916 |
13 | 27aa0166 |
14 | 17985906 |
15 | e505460 |
hex | 9bb8222 |
163283490 has 24 divisors (see below), whose sum is σ = 424537308. Its totient is φ = 43542240.
The previous prime is 163283459. The next prime is 163283537. The reversal of 163283490 is 94382361.
163283490 is a `hidden beast` number, since 163 + 2 + 8 + 3 + 490 = 666.
163283490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 158835609 + 4447881 = 12603^2 + 2109^2 .
It is a super-2 number, since 2×1632834902 = 53322996213160200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907041 + ... + 907220.
Almost surely, 2163283490 is an apocalyptic number.
163283490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
163283490 is an abundant number, since it is smaller than the sum of its proper divisors (261253818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163283490 is a wasteful number, since it uses less digits than its factorization.
163283490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1814274 (or 1814271 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 163283490 is about 12778.2428369475. The cubic root of 163283490 is about 546.5720567152.
The spelling of 163283490 in words is "one hundred sixty-three million, two hundred eighty-three thousand, four hundred ninety".
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