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51051360 = 2535106357
BaseRepresentation
bin1100001010111…
…1101101100000
310120001200022010
43002233231200
5101032120420
65022112520
71156633533
oct302575540
9116050263
1051051360
11268a9708
121511b740
13a765b09
146acca1a
1547364e0
hex30afb60

51051360 has 48 divisors (see below), whose sum is σ = 160813296. Its totient is φ = 13613568.

The previous prime is 51051317. The next prime is 51051361. The reversal of 51051360 is 6315015.

It is a happy number.

51051360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051361) 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 7 ways as a sum of consecutive naturals, for example, 52699 + ... + 53658.

It is an arithmetic number, because the mean of its divisors is an integer number (3350277).

Almost surely, 251051360 is an apocalyptic number.

It is an amenable number.

51051360 is an abundant number, since it is smaller than the sum of its proper divisors (109761936).

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

51051360 is a wasteful number, since it uses less digits than its factorization.

51051360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106375 (or 106367 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 51051360 is about 7145.0234429287. The cubic root of 51051360 is about 370.9674220588.

Adding to 51051360 its reverse (6315015), we get a palindrome (57366375).

The spelling of 51051360 in words is "fifty-one million, fifty-one thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 106357 212714 319071 425428 531785 638142 850856 1063570 1276284 1595355 1701712 2127140 2552568 3190710 3403424 4254280 5105136 6381420 8508560 10210272 12762840 17017120 25525680 51051360