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50213999 = 117362533
BaseRepresentation
bin1011111110001…
…1010001101111
310111111010122202
42333203101233
5100323321444
64552132115
71146545333
oct277432157
9114433582
1050213999
1126387580
121499703b
13a531934
1469517c3
15461d34e
hex2fe346f

50213999 has 8 divisors (see below), whose sum is σ = 55530192. Its totient is φ = 45023040.

The previous prime is 50213983. The next prime is 50214007. The reversal of 50213999 is 99931205.

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 50213999 - 24 = 50213983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50213909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30464 + ... + 32069.

It is an arithmetic number, because the mean of its divisors is an integer number (6941274).

Almost surely, 250213999 is an apocalyptic number.

50213999 is a deficient number, since it is larger than the sum of its proper divisors (5316193).

50213999 is a wasteful number, since it uses less digits than its factorization.

50213999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62617.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 50213999 is about 7086.1836696490. The cubic root of 50213999 is about 368.9279878471.

The spelling of 50213999 in words is "fifty million, two hundred thirteen thousand, nine hundred ninety-nine".

Divisors: 1 11 73 803 62533 687863 4564909 50213999