Base | Representation |
---|---|
bin | 1111100001100… |
… | …11100010110000 |
3 | 100002001121012122 |
4 | 13300303202300 |
5 | 231320001134 |
6 | 20531213412 |
7 | 3140655356 |
oct | 760634260 |
9 | 302047178 |
10 | 130234544 |
11 | 67572160 |
12 | 37747268 |
13 | 20c9b47b |
14 | 134217d6 |
15 | b67802e |
hex | 7c338b0 |
130234544 has 20 divisors (see below), whose sum is σ = 275268840. Its totient is φ = 59197440.
The previous prime is 130234543. The next prime is 130234547. The reversal of 130234544 is 445432031.
It is a super-2 number, since 2×1302345442 = 33922072901775872, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130234543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369809 + ... + 370160.
It is an arithmetic number, because the mean of its divisors is an integer number (13763442).
Almost surely, 2130234544 is an apocalyptic number.
It is an amenable number.
130234544 is an abundant number, since it is smaller than the sum of its proper divisors (145034296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130234544 is a wasteful number, since it uses less digits than its factorization.
130234544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 739988 (or 739982 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 130234544 is about 11412.0350507699. The cubic root of 130234544 is about 506.8841733108.
Adding to 130234544 its reverse (445432031), we get a palindrome (575666575).
The spelling of 130234544 in words is "one hundred thirty million, two hundred thirty-four thousand, five hundred forty-four".
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