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51880519 is a prime number
BaseRepresentation
bin1100010111101…
…0001001000111
310121121210200201
43011322021013
5101240134034
65051551331
71166656105
oct305721107
9117553621
1051880519
1127315669
121545b547
13a996342
146c66c75
15484c014
hex317a247

51880519 has 2 divisors, whose sum is σ = 51880520. Its totient is φ = 51880518.

The previous prime is 51880501. The next prime is 51880553. The reversal of 51880519 is 91508815.

51880519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51880519 - 25 = 51880487 is a prime.

It is a super-2 number, since 2×518805192 = 5383176503418722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51880319) 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 as a sum of consecutive naturals, namely, 25940259 + 25940260.

It is an arithmetic number, because the mean of its divisors is an integer number (25940260).

Almost surely, 251880519 is an apocalyptic number.

51880519 is a deficient number, since it is larger than the sum of its proper divisors (1).

51880519 is an equidigital number, since it uses as much as digits as its factorization.

51880519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 51880519 is about 7202.8132698273. The cubic root of 51880519 is about 372.9650219844.

The spelling of 51880519 in words is "fifty-one million, eight hundred eighty thousand, five hundred nineteen".