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50143057 is a prime number
BaseRepresentation
bin1011111101000…
…1111101010001
310111100112100021
42333101331101
5100314034212
64550423441
71146131446
oct277217521
9114315307
1050143057
1126339248
1214961b81
13a508563
1469339cd
154607307
hex2fd1f51

50143057 has 2 divisors, whose sum is σ = 50143058. Its totient is φ = 50143056.

The previous prime is 50143021. The next prime is 50143061. The reversal of 50143057 is 75034105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 8785296 = 6431^2 + 2964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50143057 is a prime.

It is not a weakly prime, because it can be changed into another prime (50143007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071528 + 25071529.

It is an arithmetic number, because the mean of its divisors is an integer number (25071529).

Almost surely, 250143057 is an apocalyptic number.

It is an amenable number.

50143057 is a deficient number, since it is larger than the sum of its proper divisors (1).

50143057 is an equidigital number, since it uses as much as digits as its factorization.

50143057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 50143057 is about 7081.1762440996. The cubic root of 50143057 is about 368.7541663036.

The spelling of 50143057 in words is "fifty million, one hundred forty-three thousand, fifty-seven".