Base | Representation |
---|---|
bin | 1101101101100… |
… | …11111111111101 |
3 | 22000110020022201 |
4 | 12312303333331 |
5 | 213422011221 |
6 | 15225311501 |
7 | 2564520304 |
oct | 666637775 |
9 | 260406281 |
10 | 115032061 |
11 | 59a29321 |
12 | 32635591 |
13 | 1aaa7911 |
14 | 113c543b |
15 | a173891 |
hex | 6db3ffd |
115032061 has 4 divisors (see below), whose sum is σ = 121086400. Its totient is φ = 108977724.
The previous prime is 115032059. The next prime is 115032083. The reversal of 115032061 is 160230511.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160230511 = 7 ⋅22890073.
It is a cyclic number.
It is not a de Polignac number, because 115032061 - 21 = 115032059 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6054319 = 115032061 / (1 + 1 + 5 + 0 + 3 + 2 + 0 + 6 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115032961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027141 + ... + 3027178.
It is an arithmetic number, because the mean of its divisors is an integer number (30271600).
Almost surely, 2115032061 is an apocalyptic number.
115032061 is the 4797-th centered decagonal number.
It is an amenable number.
115032061 is a deficient number, since it is larger than the sum of its proper divisors (6054339).
115032061 is an equidigital number, since it uses as much as digits as its factorization.
115032061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6054338.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 115032061 is about 10725.3000424231. The cubic root of 115032061 is about 486.3396004617.
Adding to 115032061 its reverse (160230511), we get a palindrome (275262572).
The spelling of 115032061 in words is "one hundred fifteen million, thirty-two thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •