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500052644 = 227213229857
BaseRepresentation
bin11101110011100…
…011001010100100
31021211221022021022
4131303203022210
52011003141034
6121341510312
715251243300
oct3563431244
91254838238
10500052644
112372a2a53
1211b572398
137c7a3050
144a5aad00
152dd78b2e
hex1dce32a4

500052644 has 72 divisors (see below), whose sum is σ = 1102341240. Its totient is φ = 196729344.

The previous prime is 500052611. The next prime is 500052649. The reversal of 500052644 is 446250005.

It can be written as a sum of positive squares in 4 ways, for example, as 214036900 + 286015744 = 14630^2 + 16912^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (500052649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583064 + ... + 583920.

It is an arithmetic number, because the mean of its divisors is an integer number (15310295).

Almost surely, 2500052644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500052644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551170620).

500052644 is an abundant number, since it is smaller than the sum of its proper divisors (602288596).

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

500052644 is a wasteful number, since it uses less digits than its factorization.

500052644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 500052644 is about 22361.8568996405. The cubic root of 500052644 is about 793.7283807202.

The spelling of 500052644 in words is "five hundred million, fifty-two thousand, six hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 229 364 458 637 857 916 1274 1603 1714 2548 2977 3206 3428 5954 5999 6412 11141 11221 11908 11998 20839 22282 22442 23996 41678 41993 44564 44884 77987 83356 83986 145873 155974 167972 196253 291746 311948 392506 545909 583492 785012 1091818 1373771 2183636 2551289 2747542 5102578 5495084 9616397 10205156 17859023 19232794 35718046 38465588 71436092 125013161 250026322 500052644