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50668686 = 233938309
BaseRepresentation
bin1100000101001…
…0010010001110
310112100020101000
43001102102032
5100432344221
65010001130
71153451055
oct301222216
9115306330
1050668686
1126668152
1214b761a6
13a660893
146a2d39c
1546ace26
hex305248e

50668686 has 16 divisors (see below), whose sum is σ = 112597200. Its totient is φ = 16889544.

The previous prime is 50668633. The next prime is 50668703. The reversal of 50668686 is 68686605.

50668686 is a `hidden beast` number, since 506 + 68 + 6 + 86 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469101 + ... + 469208.

It is an arithmetic number, because the mean of its divisors is an integer number (7037325).

Almost surely, 250668686 is an apocalyptic number.

50668686 is an abundant number, since it is smaller than the sum of its proper divisors (61928514).

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

50668686 is a wasteful number, since it uses less digits than its factorization.

50668686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938320 (or 938314 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 50668686 is about 7118.1940125287. The cubic root of 50668686 is about 370.0381893866.

The spelling of 50668686 in words is "fifty million, six hundred sixty-eight thousand, six hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 938309 1876618 2814927 5629854 8444781 16889562 25334343 50668686