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505816068 = 22347896837
BaseRepresentation
bin11110001001100…
…010010000000100
31022020210010012110
4132021202100010
52013442103233
6122105221020
715351236262
oct3611422004
91266703173
10505816068
1123a57a10a
12121491770
1380a40464
144b26b432
152e616663
hex1e262404

505816068 has 24 divisors (see below), whose sum is σ = 1205350272. Its totient is φ = 165017824.

The previous prime is 505816067. The next prime is 505816097. The reversal of 505816068 is 860618505.

It is not an unprimeable number, because it can be changed into a prime (505816067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447855 + ... + 448982.

It is an arithmetic number, because the mean of its divisors is an integer number (50222928).

Almost surely, 2505816068 is an apocalyptic number.

It is an amenable number.

505816068 is an abundant number, since it is smaller than the sum of its proper divisors (699534204).

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

505816068 is a wasteful number, since it uses less digits than its factorization.

505816068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896891 (or 896889 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 505816068 is about 22490.3549994214. The cubic root of 505816068 is about 796.7661474445.

The spelling of 505816068 in words is "five hundred five million, eight hundred sixteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 896837 1793674 2690511 3587348 5381022 10762044 42151339 84302678 126454017 168605356 252908034 505816068