Base | Representation |
---|---|
bin | 1111100011111… |
… | …00101101001100 |
3 | 100002121211021202 |
4 | 13301330231030 |
5 | 231404043340 |
6 | 20541445032 |
7 | 3143344145 |
oct | 761745514 |
9 | 302554252 |
10 | 130534220 |
11 | 67757323 |
12 | 37870778 |
13 | 210749ab |
14 | 1349cacc |
15 | b6d6c15 |
hex | 7c7cb4c |
130534220 has 48 divisors (see below), whose sum is σ = 287552160. Its totient is φ = 49706496.
The previous prime is 130534207. The next prime is 130534231. The reversal of 130534220 is 22435031.
It is a happy number.
130534220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 130534192 and 130534201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40799 + ... + 43881.
It is an arithmetic number, because the mean of its divisors is an integer number (5990670).
Almost surely, 2130534220 is an apocalyptic number.
130534220 is a gapful number since it is divisible by the number (10) 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 130534220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143776080).
130534220 is an abundant number, since it is smaller than the sum of its proper divisors (157017940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130534220 is a wasteful number, since it uses less digits than its factorization.
130534220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3194 (or 3192 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 130534220 is about 11425.1573293325. The cubic root of 130534220 is about 507.2726638373.
Adding to 130534220 its reverse (22435031), we get a palindrome (152969251).
The spelling of 130534220 in words is "one hundred thirty million, five hundred thirty-four thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •