Base | Representation |
---|---|
bin | 100100001011111… |
… | …1111111000100011 |
3 | 10010121211022120220 |
4 | 1020113333320203 |
5 | 4441322004111 |
6 | 320253334123 |
7 | 42042650004 |
oct | 11027777043 |
9 | 3117738526 |
10 | 1214250531 |
11 | 57345a43a |
12 | 29a797343 |
13 | 164743950 |
14 | b739d1ab |
15 | 71902e06 |
hex | 485ffe23 |
1214250531 has 16 divisors (see below), whose sum is σ = 1746700704. Its totient is φ = 745876224.
The previous prime is 1214250529. The next prime is 1214250533. The reversal of 1214250531 is 1350524121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1214250529) and next prime (1214250533).
It is not a de Polignac number, because 1214250531 - 21 = 1214250529 is a prime.
It is a super-2 number, since 2×12142505312 = 2948808704067563922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1214250533) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6226 + ... + 49671.
It is an arithmetic number, because the mean of its divisors is an integer number (109168794).
Almost surely, 21214250531 is an apocalyptic number.
1214250531 is a deficient number, since it is larger than the sum of its proper divisors (532450173).
1214250531 is a wasteful number, since it uses less digits than its factorization.
1214250531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56470.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 1214250531 is about 34846.0977872702. The cubic root of 1214250531 is about 1066.8485403526.
Adding to 1214250531 its reverse (1350524121), we get a palindrome (2564774652).
The spelling of 1214250531 in words is "one billion, two hundred fourteen million, two hundred fifty thousand, five hundred thirty-one".
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