Base | Representation |
---|---|
bin | 1111100011111… |
… | …10101110111100 |
3 | 100002122020200022 |
4 | 13301332232330 |
5 | 231404330044 |
6 | 20541551312 |
7 | 3143410310 |
oct | 761765674 |
9 | 302566608 |
10 | 130542524 |
11 | 67762592 |
12 | 37875538 |
13 | 210786c8 |
14 | 134a1b40 |
15 | b6d93ee |
hex | 7c7ebbc |
130542524 has 48 divisors (see below), whose sum is σ = 283227840. Its totient is φ = 51363840.
The previous prime is 130542499. The next prime is 130542557. The reversal of 130542524 is 425245031.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 130542493 and 130542502.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16172 + ... + 22860.
It is an arithmetic number, because the mean of its divisors is an integer number (5900580).
Almost surely, 2130542524 is an apocalyptic number.
130542524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130542524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141613920).
130542524 is an abundant number, since it is smaller than the sum of its proper divisors (152685316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130542524 is a wasteful number, since it uses less digits than its factorization.
130542524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6758 (or 6756 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 130542524 is about 11425.5207321155. The cubic root of 130542524 is about 507.2834204110.
Adding to 130542524 its reverse (425245031), we get a palindrome (555787555).
The spelling of 130542524 in words is "one hundred thirty million, five hundred forty-two thousand, five hundred twenty-four".
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