Base | Representation |
---|---|
bin | 1101101101100… |
… | …11100000011010 |
3 | 22000110010112221 |
4 | 12312303200122 |
5 | 213421430132 |
6 | 15225254254 |
7 | 2564511361 |
oct | 666634032 |
9 | 260403487 |
10 | 115030042 |
11 | 59a27856 |
12 | 3263438a |
13 | 1aaa6a1a |
14 | 113c47d8 |
15 | a172e97 |
hex | 6db381a |
115030042 has 16 divisors (see below), whose sum is σ = 175570920. Its totient is φ = 56512512.
The previous prime is 115030033. The next prime is 115030043. The reversal of 115030042 is 240030511.
It can be written as a sum of positive squares in 4 ways, for example, as 99181681 + 15848361 = 9959^2 + 3981^2 .
It is a junction number, because it is equal to n+sod(n) for n = 115029998 and 115030025.
It is not an unprimeable number, because it can be changed into a prime (115030043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41434 + ... + 44122.
Almost surely, 2115030042 is an apocalyptic number.
115030042 is a deficient number, since it is larger than the sum of its proper divisors (60540878).
115030042 is a wasteful number, since it uses less digits than its factorization.
115030042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3057.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 115030042 is about 10725.2059187691. The cubic root of 115030042 is about 486.3367550943.
Adding to 115030042 its reverse (240030511), we get a palindrome (355060553).
The spelling of 115030042 in words is "one hundred fifteen million, thirty thousand, forty-two".
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