Base | Representation |
---|---|
bin | 1111011111110… |
… | …11000111110110 |
3 | 100001121212012110 |
4 | 13233323013312 |
5 | 231240102241 |
6 | 20522231450 |
7 | 3136003536 |
oct | 757730766 |
9 | 301555173 |
10 | 130003446 |
11 | 67424571 |
12 | 37655586 |
13 | 20c1a221 |
14 | 133a14c6 |
15 | b62e816 |
hex | 7bfb1f6 |
130003446 has 16 divisors (see below), whose sum is σ = 260237808. Its totient is φ = 43296000.
The previous prime is 130003441. The next prime is 130003469. The reversal of 130003446 is 644300031.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130003441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 16226.
It is an arithmetic number, because the mean of its divisors is an integer number (16264863).
Almost surely, 2130003446 is an apocalyptic number.
130003446 is an abundant number, since it is smaller than the sum of its proper divisors (130234362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130003446 is a wasteful number, since it uses less digits than its factorization.
130003446 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19247.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 130003446 is about 11401.9053670867. The cubic root of 130003446 is about 506.5841779568.
Adding to 130003446 its reverse (644300031), we get a palindrome (774303477).
The spelling of 130003446 in words is "one hundred thirty million, three thousand, four hundred forty-six".
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