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502068397 is a prime number
BaseRepresentation
bin11101111011001…
…111010010101101
31021222201201100211
4131323033102231
52012012142042
6121453022421
715304340155
oct3573172255
91258651324
10502068397
1123844a466
12120184a11
138002a6bc
144a973765
152e126017
hex1decf4ad

502068397 has 2 divisors, whose sum is σ = 502068398. Its totient is φ = 502068396.

The previous prime is 502068337. The next prime is 502068419. The reversal of 502068397 is 793860205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425225641 + 76842756 = 20621^2 + 8766^2 .

It is a cyclic number.

It is not a de Polignac number, because 502068397 - 211 = 502066349 is a prime.

It is a super-2 number, since 2×5020683972 = 504145350532299218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502068337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251034198 + 251034199.

It is an arithmetic number, because the mean of its divisors is an integer number (251034199).

Almost surely, 2502068397 is an apocalyptic number.

It is an amenable number.

502068397 is a deficient number, since it is larger than the sum of its proper divisors (1).

502068397 is an equidigital number, since it uses as much as digits as its factorization.

502068397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 502068397 is about 22406.8828041743. The cubic root of 502068397 is about 794.7934787844.

The spelling of 502068397 in words is "five hundred two million, sixty-eight thousand, three hundred ninety-seven".