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540050031 = 3320001853
BaseRepresentation
bin100000001100001…
…000001001101111
31101122012101101000
4200030020021233
52101223100111
6125331051343
716245230613
oct4014101157
91348171330
10540050031
11257931644
12130a40b53
1387b68641
1451a1d343
1532629c56
hex2030826f

540050031 has 8 divisors (see below), whose sum is σ = 800074160. Its totient is φ = 360033336.

The previous prime is 540050023. The next prime is 540050047. The reversal of 540050031 is 130050045.

It is not a de Polignac number, because 540050031 - 23 = 540050023 is a prime.

It is a super-2 number, since 2×5400500312 = 583308071966201922, 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 = 540049986 and 540050013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540050011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000900 + ... + 10000953.

It is an arithmetic number, because the mean of its divisors is an integer number (100009270).

Almost surely, 2540050031 is an apocalyptic number.

540050031 is a deficient number, since it is larger than the sum of its proper divisors (260024129).

540050031 is a wasteful number, since it uses less digits than its factorization.

540050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001862 (or 20001856 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 540050031 is about 23238.9765480324. The cubic root of 540050031 is about 814.3504332810.

The spelling of 540050031 in words is "five hundred forty million, fifty thousand, thirty-one".

Divisors: 1 3 9 27 20001853 60005559 180016677 540050031