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50190811 = 1110742643
BaseRepresentation
bin1011111101110…
…1100111011011
310111102221211221
42333131213123
5100322101221
64551432511
71146420616
oct277354733
9114387757
1050190811
1126371110
1214985737
13a524208
14694717d
154616541
hex2fdd9db

50190811 has 8 divisors (see below), whose sum is σ = 55266624. Its totient is φ = 45200520.

The previous prime is 50190787. The next prime is 50190821. The reversal of 50190811 is 11809105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50190811 - 29 = 50190299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50190821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20145 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (6908328).

Almost surely, 250190811 is an apocalyptic number.

50190811 is a deficient number, since it is larger than the sum of its proper divisors (5075813).

50190811 is a wasteful number, since it uses less digits than its factorization.

50190811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42761.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 50190811 is about 7084.5473391036. The cubic root of 50190811 is about 368.8711908084.

Adding to 50190811 its reverse (11809105), we get a palindrome (61999916).

The spelling of 50190811 in words is "fifty million, one hundred ninety thousand, eight hundred eleven".

Divisors: 1 11 107 1177 42643 469073 4562801 50190811