Search a number
-
+
50108531 = 114555321
BaseRepresentation
bin1011111100100…
…1100001110011
310111021202222112
42333021201303
5100311433111
64545555535
71145626004
oct277114163
9114252875
1050108531
1126315310
1214945bab
13a4c5925
1469251ab
1545ebe8b
hex2fc9873

50108531 has 4 divisors (see below), whose sum is σ = 54663864. Its totient is φ = 45553200.

The previous prime is 50108521. The next prime is 50108543. The reversal of 50108531 is 13580105.

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

It is not a de Polignac number, because 50108531 - 218 = 49846387 is a prime.

It is a super-2 number, since 2×501085312 = 5021729757955922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50108497 and 50108506.

It is not an unprimeable number, because it can be changed into a prime (50108521) 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, 2277650 + ... + 2277671.

It is an arithmetic number, because the mean of its divisors is an integer number (13665966).

Almost surely, 250108531 is an apocalyptic number.

50108531 is a deficient number, since it is larger than the sum of its proper divisors (4555333).

50108531 is a wasteful number, since it uses less digits than its factorization.

50108531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555332.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 50108531 is about 7078.7379524884. The cubic root of 50108531 is about 368.6695116485.

Adding to 50108531 its reverse (13580105), we get a palindrome (63688636).

The spelling of 50108531 in words is "fifty million, one hundred eight thousand, five hundred thirty-one".

Divisors: 1 11 4555321 50108531