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51095838 = 2355715289
BaseRepresentation
bin1100001011101…
…0100100011110
310120010221022110
43002322210132
5101040031323
65023054450
71160210313
oct302724436
9116127273
1051095838
112692a072
1215141426
13a780131
146b00d0a
154744793
hex30ba91e

51095838 has 16 divisors (see below), whose sum is σ = 102381840. Its totient is φ = 17000256.

The previous prime is 51095831. The next prime is 51095851. The reversal of 51095838 is 83859015.

51095838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×510958382 = 5221569321844488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51095796 and 51095805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51095831) 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, 4303 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (6398865).

Almost surely, 251095838 is an apocalyptic number.

51095838 is an abundant number, since it is smaller than the sum of its proper divisors (51286002).

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

51095838 is a wasteful number, since it uses less digits than its factorization.

51095838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 51095838 is about 7148.1352813164. The cubic root of 51095838 is about 371.0751247039.

The spelling of 51095838 in words is "fifty-one million, ninety-five thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 557 1114 1671 3342 15289 30578 45867 91734 8515973 17031946 25547919 51095838