Search a number
-
+
50564668 = 22721147499
BaseRepresentation
bin1100000011100…
…0111000111100
310112010221200111
43000320320330
5100421032133
65003435404
71152535600
oct300707074
9115127614
1050564668
11265a6a90
1214b25b64
13a62542b
146a03500
15468c1cd
hex3038e3c

50564668 has 72 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 19242720.

The previous prime is 50564663. The next prime is 50564671. The reversal of 50564668 is 86646505.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50564668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50564663) 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, 101083 + ... + 101581.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 250564668 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 50564668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456000).

50564668 is an abundant number, since it is smaller than the sum of its proper divisors (64347332).

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

50564668 is a wasteful number, since it uses less digits than its factorization.

50564668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 50564668 is about 7110.8837706715. The cubic root of 50564668 is about 369.7847981588.

The spelling of 50564668 in words is "fifty million, five hundred sixty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 47 49 77 94 98 154 188 196 308 329 499 517 539 658 998 1034 1078 1316 1996 2068 2156 2303 3493 3619 4606 5489 6986 7238 9212 10978 13972 14476 21956 23453 24451 25333 38423 46906 48902 50666 76846 93812 97804 101332 153692 164171 257983 268961 328342 515966 537922 656684 1031932 1075844 1149197 1805881 2298394 3611762 4596788 7223524 12641167 25282334 50564668