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50211211 = 113444347
BaseRepresentation
bin1011111110001…
…0100110001011
310111110222211111
42333202212023
5100323224321
64552111151
71146534241
oct277424613
9114428744
1050211211
1126385476
12149954b7
13a53059b
146950791
15461c5e1
hex2fe298b

50211211 has 4 divisors (see below), whose sum is σ = 50655672. Its totient is φ = 49766752.

The previous prime is 50211199. The next prime is 50211253. The reversal of 50211211 is 11211205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50211211 - 223 = 41822603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50211191 and 50211200.

It is not an unprimeable number, because it can be changed into a prime (50211011) 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, 222061 + ... + 222286.

It is an arithmetic number, because the mean of its divisors is an integer number (12663918).

Almost surely, 250211211 is an apocalyptic number.

50211211 is a deficient number, since it is larger than the sum of its proper divisors (444461).

50211211 is a wasteful number, since it uses less digits than its factorization.

50211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444460.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 50211211 is about 7085.9869460789. The cubic root of 50211211 is about 368.9211598026.

Adding to 50211211 its reverse (11211205), we get a palindrome (61422416).

The spelling of 50211211 in words is "fifty million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 113 444347 50211211