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51427060 = 2251373
BaseRepresentation
bin1100010000101…
…1011011110100
310120202202122221
43010023123310
5101131131220
65034132124
71163060056
oct304133364
9116682587
1051427060
1127035a03
1215281044
13a867b19
146b898d6
1547ac9aa
hex310b6f4

51427060 has 24 divisors (see below), whose sum is σ = 108790920. Its totient is φ = 20420672.

The previous prime is 51427037. The next prime is 51427093. The reversal of 51427060 is 6072415.

51427060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 51236964 = 436^2 + 7158^2 .

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 7 ways as a sum of consecutive naturals, for example, 375312 + ... + 375448.

It is an arithmetic number, because the mean of its divisors is an integer number (4532955).

Almost surely, 251427060 is an apocalyptic number.

It is an amenable number.

51427060 is an abundant number, since it is smaller than the sum of its proper divisors (57363860).

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

51427060 is an frugal number, since it uses more digits than its factorization.

51427060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 51427060 is about 7171.2662759097. The cubic root of 51427060 is about 371.8752134735.

Adding to 51427060 its reverse (6072415), we get a palindrome (57499475).

The spelling of 51427060 in words is "fifty-one million, four hundred twenty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 18769 37538 75076 93845 187690 375380 2571353 5142706 10285412 12856765 25713530 51427060