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51326130 = 2351710871
BaseRepresentation
bin1100001111001…
…0110010110010
310120120122012210
43003302302302
5101114414010
65032032550
71162156602
oct303626262
9116518183
1051326130
1126a77099
1215232756
13a830bbb
146b60c02
15478cb20
hex30f2cb2

51326130 has 16 divisors (see below), whose sum is σ = 123182784. Its totient is φ = 13686960.

The previous prime is 51326129. The next prime is 51326131. The reversal of 51326130 is 3162315.

51326130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51326129) and next prime (51326131).

It is a junction number, because it is equal to n+sod(n) for n = 51326097 and 51326106.

It is not an unprimeable number, because it can be changed into a prime (51326131) 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, 855406 + ... + 855465.

It is an arithmetic number, because the mean of its divisors is an integer number (7698924).

Almost surely, 251326130 is an apocalyptic number.

51326130 is an abundant number, since it is smaller than the sum of its proper divisors (71856654).

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

51326130 is a wasteful number, since it uses less digits than its factorization.

51326130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710881.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51326130 is about 7164.2257083372. The cubic root of 51326130 is about 371.6317751860.

Adding to 51326130 its reverse (3162315), we get a palindrome (54488445).

The spelling of 51326130 in words is "fifty-one million, three hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1710871 3421742 5132613 8554355 10265226 17108710 25663065 51326130