Base | Representation |
---|---|
bin | 1111100000110… |
… | …11001100101100 |
3 | 100001212112102110 |
4 | 13300123030230 |
5 | 231303303303 |
6 | 20525124020 |
7 | 3140061555 |
oct | 760331454 |
9 | 301775373 |
10 | 130134828 |
11 | 6750424a |
12 | 376b9610 |
13 | 20c64c75 |
14 | 133d732c |
15 | b658703 |
hex | 7c1b32c |
130134828 has 24 divisors (see below), whose sum is σ = 316850688. Its totient is φ = 41492176.
The previous prime is 130134827. The next prime is 130134839. The reversal of 130134828 is 828431031.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 130134795 and 130134804.
It is not an unprimeable number, because it can be changed into a prime (130134827) 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, 235476 + ... + 236027.
It is an arithmetic number, because the mean of its divisors is an integer number (13202112).
Almost surely, 2130134828 is an apocalyptic number.
It is an amenable number.
130134828 is an abundant number, since it is smaller than the sum of its proper divisors (186715860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130134828 is a wasteful number, since it uses less digits than its factorization.
130134828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471533 (or 471531 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 130134828 is about 11407.6653176713. The cubic root of 130134828 is about 506.7547724974.
Adding to 130134828 its reverse (828431031), we get a palindrome (958565859).
The spelling of 130134828 in words is "one hundred thirty million, one hundred thirty-four thousand, eight hundred twenty-eight".
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