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51200473 is a prime number
BaseRepresentation
bin1100001101010…
…0000111011001
310120100020211211
43003110013121
5101101403343
65025223121
71161124342
oct303240731
9116306754
1051200473
11269a0745
1215191aa1
13a7b894c
146b2b0c9
15476579d
hex30d41d9

51200473 has 2 divisors, whose sum is σ = 51200474. Its totient is φ = 51200472.

The previous prime is 51200441. The next prime is 51200477. The reversal of 51200473 is 37400215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31058329 + 20142144 = 5573^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 51200473 - 25 = 51200441 is a prime.

It is not a weakly prime, because it can be changed into another prime (51200477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600236 + 25600237.

It is an arithmetic number, because the mean of its divisors is an integer number (25600237).

Almost surely, 251200473 is an apocalyptic number.

It is an amenable number.

51200473 is a deficient number, since it is larger than the sum of its proper divisors (1).

51200473 is an equidigital number, since it uses as much as digits as its factorization.

51200473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 51200473 is about 7155.4505798028. The cubic root of 51200473 is about 371.3282501603.

Adding to 51200473 its reverse (37400215), we get a palindrome (88600688).

The spelling of 51200473 in words is "fifty-one million, two hundred thousand, four hundred seventy-three".