Base | Representation |
---|---|
bin | 1111100100010… |
… | …01110011000100 |
3 | 100002201112211211 |
4 | 13302021303010 |
5 | 231412302334 |
6 | 20542541204 |
7 | 3143656402 |
oct | 762116304 |
9 | 302645754 |
10 | 130587844 |
11 | 67793642 |
12 | 37897804 |
13 | 2109321a |
14 | 134b4472 |
15 | b6e7a64 |
hex | 7c89cc4 |
130587844 has 6 divisors (see below), whose sum is σ = 228528734. Its totient is φ = 65293920.
The previous prime is 130587823. The next prime is 130587851. The reversal of 130587844 is 448785031.
It can be written as a sum of positive squares in only one way, i.e., 71605444 + 58982400 = 8462^2 + 7680^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130587797 and 130587806.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16323477 + ... + 16323484.
Almost surely, 2130587844 is an apocalyptic number.
It is an amenable number.
130587844 is a deficient number, since it is larger than the sum of its proper divisors (97940890).
130587844 is a wasteful number, since it uses less digits than its factorization.
130587844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32646965 (or 32646963 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 130587844 is about 11427.5038394218. The cubic root of 130587844 is about 507.3421175669.
It can be divided in two parts, 13058 and 7844, that added together give a palindrome (20902).
The spelling of 130587844 in words is "one hundred thirty million, five hundred eighty-seven thousand, eight hundred forty-four".
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