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51328060 = 22572291601
BaseRepresentation
bin1100001111001…
…1010000111100
310120120201212021
43003303100330
5101114444220
65032045524
71162165330
oct303632074
9116521767
1051328060
1126a78593
12152338a4
13a831a44
146b617c0
15478d4aa
hex30f343c

51328060 has 48 divisors (see below), whose sum is σ = 123802560. Its totient is φ = 17510400.

The previous prime is 51328051. The next prime is 51328091. The reversal of 51328060 is 6082315.

It is a happy number.

51328060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 31260 + ... + 32860.

It is an arithmetic number, because the mean of its divisors is an integer number (2579220).

Almost surely, 251328060 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 51328060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61901280).

51328060 is an abundant number, since it is smaller than the sum of its proper divisors (72474500).

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

51328060 is a wasteful number, since it uses less digits than its factorization.

51328060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51328060 is about 7164.3604041115. The cubic root of 51328060 is about 371.6364332444.

The spelling of 51328060 in words is "fifty-one million, three hundred twenty-eight thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1601 1603 2290 3202 3206 4580 6404 6412 8005 8015 11207 16010 16030 22414 32020 32060 44828 56035 112070 224140 366629 733258 1466516 1833145 2566403 3666290 5132806 7332580 10265612 12832015 25664030 51328060