Base | Representation |
---|---|
bin | 1111100011000… |
… | …11110011011100 |
3 | 100002102122100222 |
4 | 13301203303130 |
5 | 231342312340 |
6 | 20535340512 |
7 | 3142440602 |
oct | 761436334 |
9 | 302378328 |
10 | 130432220 |
11 | 67697726 |
12 | 37821738 |
13 | 2103a439 |
14 | 13473872 |
15 | b6b68b5 |
hex | 7c63cdc |
130432220 has 48 divisors (see below), whose sum is σ = 278486208. Its totient is φ = 51310080.
The previous prime is 130432199. The next prime is 130432229. The reversal of 130432220 is 22234031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130432229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495809 + ... + 496071.
It is an arithmetic number, because the mean of its divisors is an integer number (5801796).
Almost surely, 2130432220 is an apocalyptic number.
130432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130432220 is an abundant number, since it is smaller than the sum of its proper divisors (148053988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130432220 is a wasteful number, since it uses less digits than its factorization.
130432220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 590 (or 588 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 130432220 is about 11420.6926234795. The cubic root of 130432220 is about 507.1405010612.
Adding to 130432220 its reverse (22234031), we get a palindrome (152666251).
The spelling of 130432220 in words is "one hundred thirty million, four hundred thirty-two thousand, two hundred twenty".
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