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51712363 is a prime number
BaseRepresentation
bin1100010101000…
…1000101101011
310121022021000201
43011101011223
5101214243423
65044213031
71165355623
oct305210553
9117267021
1051712363
112721029a
121539a177
13a937941
146c21883
1548172ad
hex315116b

51712363 has 2 divisors, whose sum is σ = 51712364. Its totient is φ = 51712362.

The previous prime is 51712337. The next prime is 51712391. The reversal of 51712363 is 36321715.

It is an a-pointer prime, because the next prime (51712391) can be obtained adding 51712363 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51712363 - 213 = 51704171 is a prime.

It is not a weakly prime, because it can be changed into another prime (51712393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25856181 + 25856182.

It is an arithmetic number, because the mean of its divisors is an integer number (25856182).

Almost surely, 251712363 is an apocalyptic number.

51712363 is a deficient number, since it is larger than the sum of its proper divisors (1).

51712363 is an equidigital number, since it uses as much as digits as its factorization.

51712363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 51712363 is about 7191.1308568263. The cubic root of 51712363 is about 372.5616323706.

It can be divided in two parts, 517 and 12363, that added together give a triangular number (12880 = T160).

The spelling of 51712363 in words is "fifty-one million, seven hundred twelve thousand, three hundred sixty-three".