Base | Representation |
---|---|
bin | 100001001111100… |
… | …0000101001111101 |
3 | 2212201212111000001 |
4 | 1002133000221331 |
5 | 4241022103110 |
6 | 302403234301 |
7 | 36432650053 |
oct | 10237005175 |
9 | 2781774001 |
10 | 1115425405 |
11 | 5226a0686 |
12 | 271678991 |
13 | 14a121b43 |
14 | a81d61d3 |
15 | 67dd163a |
hex | 427c0a7d |
1115425405 has 8 divisors (see below), whose sum is σ = 1384666200. Its totient is φ = 861569856.
The previous prime is 1115425393. The next prime is 1115425417. The reversal of 1115425405 is 5045245111.
It is an interprime number because it is at equal distance from previous prime (1115425393) and next prime (1115425417).
It can be written as a sum of positive squares in 4 ways, for example, as 59305401 + 1056120004 = 7701^2 + 32498^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1115425405 - 213 = 1115417213 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3846150 + ... + 3846439.
It is an arithmetic number, because the mean of its divisors is an integer number (173083275).
Almost surely, 21115425405 is an apocalyptic number.
It is an amenable number.
1115425405 is a deficient number, since it is larger than the sum of its proper divisors (269240795).
1115425405 is an equidigital number, since it uses as much as digits as its factorization.
1115425405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7692623.
The product of its (nonzero) digits is 4000, while the sum is 28.
The square root of 1115425405 is about 33397.9850440113. The cubic root of 1115425405 is about 1037.0829887457.
The spelling of 1115425405 in words is "one billion, one hundred fifteen million, four hundred twenty-five thousand, four hundred five".
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