Base | Representation |
---|---|
bin | 1111100011000… |
… | …11100010101010 |
3 | 100002102120220012 |
4 | 13301203202222 |
5 | 231342244041 |
6 | 20535331522 |
7 | 3142434506 |
oct | 761434252 |
9 | 302376805 |
10 | 130431146 |
11 | 6769693a |
12 | 37820ba2 |
13 | 21039ac1 |
14 | 13473306 |
15 | b6b63eb |
hex | 7c638aa |
130431146 has 8 divisors (see below), whose sum is σ = 196426944. Its totient is φ = 64955500.
The previous prime is 130431131. The next prime is 130431149. The reversal of 130431146 is 641134031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (130431149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129410 + ... + 130413.
It is an arithmetic number, because the mean of its divisors is an integer number (24553368).
Almost surely, 2130431146 is an apocalyptic number.
130431146 is a deficient number, since it is larger than the sum of its proper divisors (65995798).
130431146 is a wasteful number, since it uses less digits than its factorization.
130431146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260076.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 130431146 is about 11420.6456034674. The cubic root of 130431146 is about 507.1391090984.
Adding to 130431146 its reverse (641134031), we get a palindrome (771565177).
The spelling of 130431146 in words is "one hundred thirty million, four hundred thirty-one thousand, one hundred forty-six".
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