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50471149 is a prime number
BaseRepresentation
bin1100000010001…
…0000011101101
310111222012101211
43000202003231
5100410034044
65001434421
71151666131
oct300420355
9114865354
1050471149
11265427a3
1214a9ba11
13a5c19b1
1469bb3c1
15466e634
hex30220ed

50471149 has 2 divisors, whose sum is σ = 50471150. Its totient is φ = 50471148.

The previous prime is 50471129. The next prime is 50471153. The reversal of 50471149 is 94117405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 10692900 = 6307^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 50471149 - 25 = 50471117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50471149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50471119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25235574 + 25235575.

It is an arithmetic number, because the mean of its divisors is an integer number (25235575).

Almost surely, 250471149 is an apocalyptic number.

It is an amenable number.

50471149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50471149 is an equidigital number, since it uses as much as digits as its factorization.

50471149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50471149 is about 7104.3049624858. The cubic root of 50471149 is about 369.5566860039.

The spelling of 50471149 in words is "fifty million, four hundred seventy-one thousand, one hundred forty-nine".