Base | Representation |
---|---|
bin | 1111100110111… |
… | …01010111100010 |
3 | 100010100221101200 |
4 | 13303131113202 |
5 | 232004231041 |
6 | 20554142030 |
7 | 3146613354 |
oct | 763352742 |
9 | 303327350 |
10 | 130930146 |
11 | 679a7836 |
12 | 37a21916 |
13 | 21182c79 |
14 | 135630d4 |
15 | b7641b6 |
hex | 7cdd5e2 |
130930146 has 24 divisors (see below), whose sum is σ = 286288860. Its totient is φ = 43242336.
The previous prime is 130930139. The next prime is 130930147. The reversal of 130930146 is 641039031.
It can be written as a sum of positive squares in 2 ways, for example, as 106812225 + 24117921 = 10335^2 + 4911^2 .
It is not an unprimeable number, because it can be changed into a prime (130930147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31405 + ... + 35328.
Almost surely, 2130930146 is an apocalyptic number.
130930146 is an abundant number, since it is smaller than the sum of its proper divisors (155358714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130930146 is a wasteful number, since it uses less digits than its factorization.
130930146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66850 (or 66847 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 130930146 is about 11442.4711491880. The cubic root of 130930146 is about 507.7850191885.
Adding to 130930146 its reverse (641039031), we get a palindrome (771969177).
The spelling of 130930146 in words is "one hundred thirty million, nine hundred thirty thousand, one hundred forty-six".
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