Base | Representation |
---|---|
bin | 101000010000011… |
… | …000001111001010 |
3 | 1202001211222020020 |
4 | 220100120033022 |
5 | 2340344212333 |
6 | 151003441310 |
7 | 22510440240 |
oct | 5020301712 |
9 | 1661758206 |
10 | 675382218 |
11 | 317265725 |
12 | 16a226236 |
13 | a9c00164 |
14 | 659aa790 |
15 | 3e45d3b3 |
hex | 284183ca |
675382218 has 64 divisors (see below), whose sum is σ = 1617408000. Its totient is φ = 183927744.
The previous prime is 675382207. The next prime is 675382219. The reversal of 675382218 is 812283576.
It is a super-2 number, since 2×6753822182 = 912282280781199048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 675382218.
It is not an unprimeable number, because it can be changed into a prime (675382219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92713 + ... + 99731.
It is an arithmetic number, because the mean of its divisors is an integer number (25272000).
Almost surely, 2675382218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 675382218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808704000).
675382218 is an abundant number, since it is smaller than the sum of its proper divisors (942025782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
675382218 is a wasteful number, since it uses less digits than its factorization.
675382218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7139.
The product of its digits is 161280, while the sum is 42.
The square root of 675382218 is about 25988.1168613657. The cubic root of 675382218 is about 877.3708624015.
The spelling of 675382218 in words is "six hundred seventy-five million, three hundred eighty-two thousand, two hundred eighteen".
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