Base | Representation |
---|---|
bin | 110010111010100… |
… | …101111000100000 |
3 | 2012112100212222122 |
4 | 302322211320200 |
5 | 3222140022240 |
6 | 220432523412 |
7 | 30111516152 |
oct | 6272457040 |
9 | 2175325878 |
10 | 854220320 |
11 | 3a9204408 |
12 | 1ba0b0568 |
13 | 107c88215 |
14 | 81640ad2 |
15 | 4eed74b5 |
hex | 32ea5e20 |
854220320 has 24 divisors (see below), whose sum is σ = 2018095884. Its totient is φ = 341688064.
The previous prime is 854220307. The next prime is 854220329. The reversal of 854220320 is 23022458.
It can be written as a sum of positive squares in 2 ways, for example, as 786914704 + 67305616 = 28052^2 + 8204^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 854220320.
It is not an unprimeable number, because it can be changed into a prime (854220329) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669279 + ... + 2669598.
Almost surely, 2854220320 is an apocalyptic number.
854220320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
854220320 is an abundant number, since it is smaller than the sum of its proper divisors (1163875564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
854220320 is a wasteful number, since it uses less digits than its factorization.
854220320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5338892 (or 5338884 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 854220320 is about 29227.0477469073. The cubic root of 854220320 is about 948.8334045779.
Adding to 854220320 its reverse (23022458), we get a palindrome (877242778).
The spelling of 854220320 in words is "eight hundred fifty-four million, two hundred twenty thousand, three hundred twenty".
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