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50106531 = 317257793
BaseRepresentation
bin1011111100100…
…1000010100011
310111021200020110
42333021002203
5100311402111
64545542403
71145620116
oct277110243
9114250213
1050106531
1126313862
1214944a03
13a4c4a47
14692457d
1545eb5a6
hex2fc90a3

50106531 has 12 divisors (see below), whose sum is σ = 70971032. Its totient is φ = 31438848.

The previous prime is 50106527. The next prime is 50106533. The reversal of 50106531 is 13560105.

It is a happy number.

50106531 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 50106531 - 22 = 50106527 is a prime.

It is a super-2 number, since 2×501065312 = 5021328897707922, 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 = 50106498 and 50106507.

It is not an unprimeable number, because it can be changed into a prime (50106533) 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 11 ways as a sum of consecutive naturals, for example, 28030 + ... + 29763.

Almost surely, 250106531 is an apocalyptic number.

50106531 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50106531 is a deficient number, since it is larger than the sum of its proper divisors (20864501).

50106531 is a wasteful number, since it uses less digits than its factorization.

50106531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57830 (or 57813 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 50106531 is about 7078.5966829591. The cubic root of 50106531 is about 368.6646066366.

Adding to 50106531 its reverse (13560105), we get a palindrome (63666636).

The spelling of 50106531 in words is "fifty million, one hundred six thousand, five hundred thirty-one".

Divisors: 1 3 17 51 289 867 57793 173379 982481 2947443 16702177 50106531