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51068584 = 237337503
BaseRepresentation
bin1100001011001…
…1111010101000
310120002112221001
43002303322220
5101033143314
65022324344
71160035000
oct302637250
9116075831
1051068584
1126910646
12151296b4
13a7708c8
146ad5000
15473b674
hex30b3ea8

51068584 has 64 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 21252672.

The previous prime is 51068581. The next prime is 51068609. The reversal of 51068584 is 48586015.

51068584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (51068581) 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 15 ways as a sum of consecutive naturals, for example, 101277 + ... + 101779.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 251068584 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 51068584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456000).

51068584 is an abundant number, since it is smaller than the sum of its proper divisors (63843416).

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

51068584 is a wasteful number, since it uses less digits than its factorization.

51068584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 51068584 is about 7146.2286557316. The cubic root of 51068584 is about 371.0091370718.

The spelling of 51068584 in words is "fifty-one million, sixty-eight thousand, five hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 37 49 56 74 98 148 196 259 296 343 392 503 518 686 1006 1036 1372 1813 2012 2072 2744 3521 3626 4024 7042 7252 12691 14084 14504 18611 24647 25382 28168 37222 49294 50764 74444 98588 101528 130277 148888 172529 197176 260554 345058 521108 690116 911939 1042216 1380232 1823878 3647756 6383573 7295512 12767146 25534292 51068584