Base | Representation |
---|---|
bin | 100100001100000… |
… | …1111001111100100 |
3 | 10010121221111220000 |
4 | 1020120033033210 |
5 | 4441331012234 |
6 | 320254541300 |
7 | 42043331301 |
oct | 11030171744 |
9 | 3117844800 |
10 | 1214313444 |
11 | 5734a2733 |
12 | 29a807830 |
13 | 164766486 |
14 | b73b80a8 |
15 | 71916899 |
hex | 4860f3e4 |
1214313444 has 60 divisors (see below), whose sum is σ = 3177744108. Its totient is φ = 404352000.
The previous prime is 1214313407. The next prime is 1214313449. The reversal of 1214313444 is 4443134121.
1214313444 is a `hidden beast` number, since 1 + 214 + 3 + 1 + 3 + 444 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 295496100 + 918817344 = 17190^2 + 30312^2 .
It is a super-2 number, since 2×12143134442 = 2949114280558282272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1214313449) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 582484 + ... + 584564.
Almost surely, 21214313444 is an apocalyptic number.
It is an amenable number.
1214313444 is an abundant number, since it is smaller than the sum of its proper divisors (1963430664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214313444 is a wasteful number, since it uses less digits than its factorization.
1214313444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3898 (or 3887 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 1214313444 is about 34847.0005021953. Note that the first 3 decimals coincide. The cubic root of 1214313444 is about 1066.8669652936.
Adding to 1214313444 its reverse (4443134121), we get a palindrome (5657447565).
The spelling of 1214313444 in words is "one billion, two hundred fourteen million, three hundred thirteen thousand, four hundred forty-four".
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