Search a number
-
+
501130580 = 225241103969
BaseRepresentation
bin11101110111101…
…010010101010100
31021220222001220212
4131313222111110
52011242134310
6121420544552
715263353046
oct3567522524
91256861825
10501130580
11237969905
1211b9b2158
137ca8c892
144a7aba96
152dedd205
hex1ddea554

501130580 has 24 divisors (see below), whose sum is σ = 1056751080. Its totient is φ = 199618560.

The previous prime is 501130571. The next prime is 501130603. The reversal of 501130580 is 85031105.

It can be written as a sum of positive squares in 4 ways, for example, as 68989636 + 432140944 = 8306^2 + 20788^2 .

It is a super-3 number, since 3×5011305803 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47165 + ... + 56804.

It is an arithmetic number, because the mean of its divisors is an integer number (44031295).

Almost surely, 2501130580 is an apocalyptic number.

It is an amenable number.

501130580 is an abundant number, since it is smaller than the sum of its proper divisors (555620500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501130580 is a wasteful number, since it uses less digits than its factorization.

501130580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104219 (or 104217 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 501130580 is about 22385.9460376371. The cubic root of 501130580 is about 794.2983036137.

Adding to 501130580 its reverse (85031105), we get a palindrome (586161685).

The spelling of 501130580 in words is "five hundred one million, one hundred thirty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 103969 207938 415876 519845 1039690 2079380 25056529 50113058 100226116 125282645 250565290 501130580