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50211321 = 3145311519
BaseRepresentation
bin1011111110001…
…0100111111001
310111110222222120
42333202213321
5100323230241
64552111453
71146534456
oct277424771
9114428876
1050211321
1126385566
1214995589
13a530654
14695082d
15461c666
hex2fe29f9

50211321 has 8 divisors (see below), whose sum is σ = 67000320. Its totient is φ = 33448272.

The previous prime is 50211311. The next prime is 50211377. The reversal of 50211321 is 12311205.

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

It is not a de Polignac number, because 50211321 - 223 = 41822713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50211321.

It is not an unprimeable number, because it can be changed into a prime (50211311) 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, 1401 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (8375040).

Almost surely, 250211321 is an apocalyptic number.

It is an amenable number.

50211321 is a deficient number, since it is larger than the sum of its proper divisors (16788999).

50211321 is a wasteful number, since it uses less digits than its factorization.

50211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50211321 is about 7085.9947078727. The cubic root of 50211321 is about 368.9214292065.

Adding to 50211321 its reverse (12311205), we get a palindrome (62522526).

The spelling of 50211321 in words is "fifty million, two hundred eleven thousand, three hundred twenty-one".

Divisors: 1 3 1453 4359 11519 34557 16737107 50211321