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50213101 = 53947417
BaseRepresentation
bin1011111110001…
…1000011101101
310111111002102111
42333203003231
5100323304401
64552124021
71146542611
oct277430355
9114432374
1050213101
1126386934
1214996611
13a5313c3
146951341
15461ce51
hex2fe30ed

50213101 has 4 divisors (see below), whose sum is σ = 51160572. Its totient is φ = 49265632.

The previous prime is 50213041. The next prime is 50213113. The reversal of 50213101 is 10131205.

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 35390601 + 14822500 = 5949^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 50213101 - 219 = 49688813 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 (50213161) 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, 473656 + ... + 473761.

It is an arithmetic number, because the mean of its divisors is an integer number (12790143).

Almost surely, 250213101 is an apocalyptic number.

It is an amenable number.

50213101 is a deficient number, since it is larger than the sum of its proper divisors (947471).

50213101 is an equidigital number, since it uses as much as digits as its factorization.

50213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947470.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 50213101 is about 7086.1203066276. The cubic root of 50213101 is about 368.9257885978.

Adding to 50213101 its reverse (10131205), we get a palindrome (60344306).

The spelling of 50213101 in words is "fifty million, two hundred thirteen thousand, one hundred one".

Divisors: 1 53 947417 50213101