Base | Representation |
---|---|
bin | 1111100001100… |
… | …11010011000100 |
3 | 100002001112211110 |
4 | 13300303103010 |
5 | 231314433130 |
6 | 20531205020 |
7 | 3140652423 |
oct | 760632304 |
9 | 302045743 |
10 | 130233540 |
11 | 67571428 |
12 | 37746770 |
13 | 20c9ab88 |
14 | 134212ba |
15 | b677ab0 |
hex | 7c334c4 |
130233540 has 48 divisors (see below), whose sum is σ = 365484672. Its totient is φ = 34649856.
The previous prime is 130233539. The next prime is 130233553. The reversal of 130233540 is 45332031.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 26992 + ... + 31448.
It is an arithmetic number, because the mean of its divisors is an integer number (7614264).
Almost surely, 2130233540 is an apocalyptic number.
130233540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130233540 is an abundant number, since it is smaller than the sum of its proper divisors (235251132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130233540 is a wasteful number, since it uses less digits than its factorization.
130233540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4956 (or 4954 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 130233540 is about 11411.9910620365. The cubic root of 130233540 is about 506.8828707557.
Adding to 130233540 its reverse (45332031), we get a palindrome (175565571).
The spelling of 130233540 in words is "one hundred thirty million, two hundred thirty-three thousand, five hundred forty".
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