Search a number
-
+
50005131 = 31119173461
BaseRepresentation
bin1011111011000…
…0010010001011
310111002112010220
42332300102023
5100300131011
64543441123
71145015361
oct276602213
9114075126
1050005131
1126254660
12148b61a3
13a48a847
1468d9631
1545cb506
hex2fb048b

50005131 has 32 divisors (see below), whose sum is σ = 77172480. Its totient is φ = 28483200.

The previous prime is 50005121. The next prime is 50005181. The reversal of 50005131 is 13150005.

50005131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50005131 - 225 = 16450699 is a prime.

It is a super-2 number, since 2×500051312 = 5001026252654322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50005131.

It is not an unprimeable number, because it can be changed into a prime (50005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108241 + ... + 108701.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 250005131 is an apocalyptic number.

50005131 is a deficient number, since it is larger than the sum of its proper divisors (27167349).

50005131 is a wasteful number, since it uses less digits than its factorization.

50005131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 50005131 is about 7071.4306190473. The cubic root of 50005131 is about 368.4157512767.

Adding to 50005131 its reverse (13150005), we get a palindrome (63155136).

The spelling of 50005131 in words is "fifty million, five thousand, one hundred thirty-one".

Divisors: 1 3 11 19 33 57 173 209 461 519 627 1383 1903 3287 5071 5709 8759 9861 15213 26277 36157 79753 96349 108471 239259 289047 877283 1515307 2631849 4545921 16668377 50005131