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50213320 = 2351255333
BaseRepresentation
bin1011111110001…
…1000111001000
310111111002201121
42333203013020
5100323311240
64552125024
71146543343
oct277430710
9114432647
1050213320
1126387013
1214996774
13a531531
14695145a
15461d04a
hex2fe31c8

50213320 has 16 divisors (see below), whose sum is σ = 112980060. Its totient is φ = 20085312.

The previous prime is 50213299. The next prime is 50213321. The reversal of 50213320 is 2331205.

It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 736164 = 7034^2 + 858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50213294 and 50213303.

It is not an unprimeable number, because it can be changed into a prime (50213321) 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, 627627 + ... + 627706.

Almost surely, 250213320 is an apocalyptic number.

It is an amenable number.

50213320 is an abundant number, since it is smaller than the sum of its proper divisors (62766740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50213320 is a wasteful number, since it uses less digits than its factorization.

50213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255344 (or 1255340 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 50213320 is about 7086.1357593543. The cubic root of 50213320 is about 368.9263249427.

Adding to 50213320 its reverse (2331205), we get a palindrome (52544525).

The spelling of 50213320 in words is "fifty million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1255333 2510666 5021332 6276665 10042664 12553330 25106660 50213320