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51027850 = 2521020557
BaseRepresentation
bin1100001010100…
…1111110001010
310120000111001101
43002221332022
5101030342400
65021412014
71156505146
oct302517612
9116014041
1051027850
1126892a85
121510a00a
13a7581c3
146ac4226
15472e56a
hex30a9f8a

51027850 has 12 divisors (see below), whose sum is σ = 94911894. Its totient is φ = 20411120.

The previous prime is 51027839. The next prime is 51027857. The reversal of 51027850 is 5872015.

51027850 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 3 ways, for example, as 45118089 + 5909761 = 6717^2 + 2431^2 .

It is not an unprimeable number, because it can be changed into a prime (51027857) 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 5 ways as a sum of consecutive naturals, for example, 510229 + ... + 510328.

Almost surely, 251027850 is an apocalyptic number.

51027850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51027850 is a deficient number, since it is larger than the sum of its proper divisors (43884044).

51027850 is a wasteful number, since it uses less digits than its factorization.

51027850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020569 (or 1020564 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 51027850 is about 7143.3780524343. The cubic root of 51027850 is about 370.9104677601.

Adding to 51027850 its reverse (5872015), we get a palindrome (56899865).

The spelling of 51027850 in words is "fifty-one million, twenty-seven thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 1020557 2041114 5102785 10205570 25513925 51027850