Base | Representation |
---|---|
bin | 100011111100011… |
… | …0111101001100100 |
3 | 10010001110201220121 |
4 | 1013320313221210 |
5 | 4432224342330 |
6 | 315402411324 |
7 | 41613412240 |
oct | 10770675144 |
9 | 3101421817 |
10 | 1206090340 |
11 | 569896584 |
12 | 297b00b44 |
13 | 162b47630 |
14 | b6277420 |
15 | 70d4017a |
hex | 47e37a64 |
1206090340 has 96 divisors (see below), whose sum is σ = 3217987584. Its totient is φ = 369377280.
The previous prime is 1206090329. The next prime is 1206090349. The reversal of 1206090340 is 430906021.
It is a super-3 number, since 3×12060903403 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1206090349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45732 + ... + 67108.
It is an arithmetic number, because the mean of its divisors is an integer number (33520704).
Almost surely, 21206090340 is an apocalyptic number.
1206090340 is a gapful number since it is divisible by the number (10) 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 1206090340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608993792).
1206090340 is an abundant number, since it is smaller than the sum of its proper divisors (2011897244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1206090340 is a wasteful number, since it uses less digits than its factorization.
1206090340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21437 (or 21435 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 1206090340 is about 34728.8113819059. The cubic root of 1206090340 is about 1064.4533007830.
Adding to 1206090340 its reverse (430906021), we get a palindrome (1636996361).
It can be divided in two parts, 12060 and 90340, that added together give a square (102400 = 3202).
The spelling of 1206090340 in words is "one billion, two hundred six million, ninety thousand, three hundred forty".
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