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51876313 is a prime number
BaseRepresentation
bin1100010111100…
…1000111011001
310121121120220221
43011321013121
5101240020223
65051520041
71166640616
oct305710731
9117546827
1051876313
1127312495
1215459021
13a994458
146c6550d
15484ab5d
hex31791d9

51876313 has 2 divisors, whose sum is σ = 51876314. Its totient is φ = 51876312.

The previous prime is 51876311. The next prime is 51876323. The reversal of 51876313 is 31367815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33489369 + 18386944 = 5787^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 51876313 - 21 = 51876311 is a prime.

Together with 51876311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51876311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25938156 + 25938157.

It is an arithmetic number, because the mean of its divisors is an integer number (25938157).

Almost surely, 251876313 is an apocalyptic number.

It is an amenable number.

51876313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51876313 is an equidigital number, since it uses as much as digits as its factorization.

51876313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 51876313 is about 7202.5212946579. The cubic root of 51876313 is about 372.9549428429.

The spelling of 51876313 in words is "fifty-one million, eight hundred seventy-six thousand, three hundred thirteen".