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50211317 = 133862409
BaseRepresentation
bin1011111110001…
…0100111110101
310111110222222102
42333202213311
5100323230232
64552111445
71146534452
oct277424765
9114428872
1050211317
1126385562
1214995585
13a530650
146950829
15461c662
hex2fe29f5

50211317 has 4 divisors (see below), whose sum is σ = 54073740. Its totient is φ = 46348896.

The previous prime is 50211311. The next prime is 50211377. The reversal of 50211317 is 71311205.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8814961 + 41396356 = 2969^2 + 6434^2 .

It is a cyclic number.

It is not a de Polignac number, because 50211317 - 26 = 50211253 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 (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 3 ways as a sum of consecutive naturals, for example, 1931192 + ... + 1931217.

It is an arithmetic number, because the mean of its divisors is an integer number (13518435).

Almost surely, 250211317 is an apocalyptic number.

It is an amenable number.

50211317 is a deficient number, since it is larger than the sum of its proper divisors (3862423).

50211317 is a wasteful number, since it uses less digits than its factorization.

50211317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862422.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 50211317 is about 7085.9944256258. The cubic root of 50211317 is about 368.9214194100.

The spelling of 50211317 in words is "fifty million, two hundred eleven thousand, three hundred seventeen".

Divisors: 1 13 3862409 50211317