Search a number
-
+
50330013 = 3173672689
BaseRepresentation
bin1011111111111…
…1100110011101
310111201000210120
42333333212131
5100341030023
64554425153
71150540506
oct277774635
9114630716
1050330013
1126456758
1214a321b9
13a572696
146981bad
1546428e3
hex2fff99d

50330013 has 16 divisors (see below), whose sum is σ = 71274240. Its totient is φ = 31481856.

The previous prime is 50330011. The next prime is 50330029. The reversal of 50330013 is 31003305.

It is not a de Polignac number, because 50330013 - 21 = 50330011 is a prime.

It is a super-2 number, since 2×503300132 = 5066220417160338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50329974 and 50330001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50330011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17373 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (4454640).

Almost surely, 250330013 is an apocalyptic number.

It is an amenable number.

50330013 is a deficient number, since it is larger than the sum of its proper divisors (20944227).

50330013 is a wasteful number, since it uses less digits than its factorization.

50330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 50330013 is about 7094.3648764354. The cubic root of 50330013 is about 369.2118920203.

Adding to 50330013 its reverse (31003305), we get a palindrome (81333318).

The spelling of 50330013 in words is "fifty million, three hundred thirty thousand, thirteen".

Divisors: 1 3 17 51 367 1101 2689 6239 8067 18717 45713 137139 986863 2960589 16776671 50330013