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50257357 is a prime number
BaseRepresentation
bin1011111110110…
…1110111001101
310111120100010121
42333231313031
5100331213412
64553104541
71150115623
oct277556715
9114510117
1050257357
1126407107
12149b8151
13a5485a7
146963513
15462b107
hex2feddcd

50257357 has 2 divisors, whose sum is σ = 50257358. Its totient is φ = 50257356.

The previous prime is 50257331. The next prime is 50257373. The reversal of 50257357 is 75375205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 15139881 = 5926^2 + 3891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50257357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50257307) 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, 25128678 + 25128679.

It is an arithmetic number, because the mean of its divisors is an integer number (25128679).

Almost surely, 250257357 is an apocalyptic number.

It is an amenable number.

50257357 is a deficient number, since it is larger than the sum of its proper divisors (1).

50257357 is an equidigital number, since it uses as much as digits as its factorization.

50257357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 50257357 is about 7089.2423431563. The cubic root of 50257357 is about 369.0341426926.

The spelling of 50257357 in words is "fifty million, two hundred fifty-seven thousand, three hundred fifty-seven".