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50215493 is a prime number
BaseRepresentation
bin1011111110001…
…1101001000101
310111111012201002
42333203221011
5100323343433
64552143045
71146552566
oct277435105
9114435632
1050215493
1126388709
1214997a85
13a532513
14695216d
15461d9e8
hex2fe3a45

50215493 has 2 divisors, whose sum is σ = 50215494. Its totient is φ = 50215492.

The previous prime is 50215427. The next prime is 50215507. The reversal of 50215493 is 39451205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 23980609 = 5122^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 50215493 - 220 = 49166917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50215393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25107746 + 25107747.

It is an arithmetic number, because the mean of its divisors is an integer number (25107747).

Almost surely, 250215493 is an apocalyptic number.

It is an amenable number.

50215493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50215493 is an equidigital number, since it uses as much as digits as its factorization.

50215493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 50215493 is about 7086.2890852688. The cubic root of 50215493 is about 368.9316466737.

Adding to 50215493 its reverse (39451205), we get a palindrome (89666698).

The spelling of 50215493 in words is "fifty million, two hundred fifteen thousand, four hundred ninety-three".