Base | Representation |
---|---|
bin | 100100001011111… |
… | …1110011010101101 |
3 | 10010121211000100110 |
4 | 1020113332122231 |
5 | 4441321311100 |
6 | 320253250233 |
7 | 42042623334 |
oct | 11027763255 |
9 | 3117730313 |
10 | 1214244525 |
11 | 57345597a |
12 | 29a793979 |
13 | 164740cb0 |
14 | b739ad1b |
15 | 71901250 |
hex | 485fe6ad |
1214244525 has 24 divisors (see below), whose sum is σ = 2161979680. Its totient is φ = 597781440.
The previous prime is 1214244509. The next prime is 1214244527. The reversal of 1214244525 is 5254424121.
It is not a de Polignac number, because 1214244525 - 24 = 1214244509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1214244492 and 1214244501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214244527) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621715 + ... + 623664.
Almost surely, 21214244525 is an apocalyptic number.
1214244525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1214244525 is a deficient number, since it is larger than the sum of its proper divisors (947735155).
1214244525 is a wasteful number, since it uses less digits than its factorization.
1214244525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245405 (or 1245400 counting only the distinct ones).
The product of its digits is 12800, while the sum is 30.
The square root of 1214244525 is about 34846.0116082171. The cubic root of 1214244525 is about 1066.8467813793.
Adding to 1214244525 its reverse (5254424121), we get a palindrome (6468668646).
The spelling of 1214244525 in words is "one billion, two hundred fourteen million, two hundred forty-four thousand, five hundred twenty-five".
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