Base | Representation |
---|---|
bin | 100001001111000… |
… | …1101001001011001 |
3 | 2212201110202120222 |
4 | 1002132031021121 |
5 | 4240443330200 |
6 | 302354525425 |
7 | 36431111003 |
oct | 10236151131 |
9 | 2781422528 |
10 | 1115214425 |
11 | 522567116 |
12 | 271596875 |
13 | 14a079ac0 |
14 | a817d373 |
15 | 67d8dd85 |
hex | 4278d259 |
1115214425 has 24 divisors (see below), whose sum is σ = 1502950680. Its totient is φ = 815961600.
The previous prime is 1115214407. The next prime is 1115214431. The reversal of 1115214425 is 5244125111.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 681575449 + 433638976 = 26107^2 + 20824^2 .
It is not a de Polignac number, because 1115214425 - 212 = 1115210329 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1115214394 and 1115214403.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19685 + ... + 51165.
It is an arithmetic number, because the mean of its divisors is an integer number (62622945).
Almost surely, 21115214425 is an apocalyptic number.
It is an amenable number.
1115214425 is a deficient number, since it is larger than the sum of its proper divisors (387736255).
1115214425 is a wasteful number, since it uses less digits than its factorization.
1115214425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31613 (or 31608 counting only the distinct ones).
The product of its digits is 1600, while the sum is 26.
The square root of 1115214425 is about 33394.8263208540. The cubic root of 1115214425 is about 1037.0175973818.
Adding to 1115214425 its reverse (5244125111), we get a palindrome (6359339536).
The spelling of 1115214425 in words is "one billion, one hundred fifteen million, two hundred fourteen thousand, four hundred twenty-five".
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