Base | Representation |
---|---|
bin | 1111100101111… |
… | …01101110010000 |
3 | 100010010100121000 |
4 | 13302331232100 |
5 | 231441104103 |
6 | 20551302000 |
7 | 3145533435 |
oct | 762755620 |
9 | 303110530 |
10 | 130800528 |
11 | 67919411 |
12 | 3797a900 |
13 | 21138c81 |
14 | 1352bb8c |
15 | b73aaa3 |
hex | 7cbdb90 |
130800528 has 40 divisors (see below), whose sum is σ = 375447200. Its totient is φ = 43600032.
The previous prime is 130800493. The next prime is 130800547. The reversal of 130800528 is 825008031.
It is a happy number.
130800528 is a `hidden beast` number, since 130 + 8 + 0 + 0 + 528 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150958 + ... + 151821.
It is an arithmetic number, because the mean of its divisors is an integer number (9386180).
Almost surely, 2130800528 is an apocalyptic number.
130800528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
130800528 is an abundant number, since it is smaller than the sum of its proper divisors (244646672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130800528 is a wasteful number, since it uses less digits than its factorization.
130800528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302796 (or 302784 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 130800528 is about 11436.8058477881. The cubic root of 130800528 is about 507.6173984837.
Adding to 130800528 its reverse (825008031), we get a palindrome (955808559).
It can be divided in two parts, 130800 and 528, that added together give a triangular number (131328 = T512).
The spelling of 130800528 in words is "one hundred thirty million, eight hundred thousand, five hundred twenty-eight".
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