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50215393 is a prime number
BaseRepresentation
bin1011111110001…
…1100111100001
310111111012120101
42333203213201
5100323343033
64552142401
71146552364
oct277434741
9114435511
1050215393
1126388628
1214997a01
13a532467
1469520db
15461d97d
hex2fe39e1

50215393 has 2 divisors, whose sum is σ = 50215394. Its totient is φ = 50215392.

The previous prime is 50215387. The next prime is 50215427. The reversal of 50215393 is 39351205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 3196944 = 6857^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 50215393 - 225 = 16660961 is a prime.

It is not a weakly prime, because it can be changed into another prime (50215303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25107696 + 25107697.

It is an arithmetic number, because the mean of its divisors is an integer number (25107697).

Almost surely, 250215393 is an apocalyptic number.

It is an amenable number.

50215393 is a deficient number, since it is larger than the sum of its proper divisors (1).

50215393 is an equidigital number, since it uses as much as digits as its factorization.

50215393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 50215393 is about 7086.2820293861. The cubic root of 50215393 is about 368.9314017746.

Adding to 50215393 its reverse (39351205), we get a palindrome (89566598).

The spelling of 50215393 in words is "fifty million, two hundred fifteen thousand, three hundred ninety-three".