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50020231 = 53239397
BaseRepresentation
bin1011111011001…
…1111110000111
310111010021212011
42332303332013
5100301121411
64544035051
71145110402
oct276637607
9114107764
1050020231
1126264a38
1214902a87
13a494691
146900d39
1545d0c21
hex2fb3f87

50020231 has 4 divisors (see below), whose sum is σ = 50034952. Its totient is φ = 50005512.

The previous prime is 50020219. The next prime is 50020237. The reversal of 50020231 is 13202005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50020231 - 221 = 47923079 is a prime.

It is a super-2 number, since 2×500202312 = 5004047018586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (12508738).

Almost surely, 250020231 is an apocalyptic number.

50020231 is a deficient number, since it is larger than the sum of its proper divisors (14721).

50020231 is an equidigital number, since it uses as much as digits as its factorization.

50020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14720.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50020231 is about 7072.4982149167. The cubic root of 50020231 is about 368.4528309248.

Adding to 50020231 its reverse (13202005), we get a palindrome (63222236).

The spelling of 50020231 in words is "fifty million, twenty thousand, two hundred thirty-one".

Divisors: 1 5323 9397 50020231