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50008660 = 22513192341
BaseRepresentation
bin1011111011000…
…1001001010100
310111002200222121
42332301021110
5100300234120
64543505324
71145031562
oct276611124
9114080877
1050008660
1126257279
12148b8244
13a48c330
1468daa32
1545cc5aa
hex2fb1254

50008660 has 24 divisors (see below), whose sum is σ = 113097096. Its totient is φ = 18464640.

The previous prime is 50008657. The next prime is 50008667. The reversal of 50008660 is 6680005.

50008660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2039184 + 47969476 = 1428^2 + 6926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50008667) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 95911 + ... + 96430.

It is an arithmetic number, because the mean of its divisors is an integer number (4712379).

Almost surely, 250008660 is an apocalyptic number.

It is an amenable number.

50008660 is an abundant number, since it is smaller than the sum of its proper divisors (63088436).

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

50008660 is a wasteful number, since it uses less digits than its factorization.

50008660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192363 (or 192361 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50008660 is about 7071.6801398253. The cubic root of 50008660 is about 368.4244177781.

Adding to 50008660 its reverse (6680005), we get a palindrome (56688665).

The spelling of 50008660 in words is "fifty million, eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 192341 384682 769364 961705 1923410 2500433 3846820 5000866 10001732 12502165 25004330 50008660