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540124031 = 753771663
BaseRepresentation
bin100000001100011…
…010001101111111
31101122100010212202
4200030122031333
52101232432111
6125332422115
716245656426
oct4014321577
91348303782
10540124031
112579821a7
12130a7793b
1387b93225
1451a3c2bd
1532641b3b
hex2031a37f

540124031 has 4 divisors (see below), whose sum is σ = 540203232. Its totient is φ = 540044832.

The previous prime is 540124021. The next prime is 540124049. The reversal of 540124031 is 130421045.

540124031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 540124031 - 26 = 540123967 is a prime.

It is a super-2 number, since 2×5401240312 = 583467937727377922, 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 = 540123994 and 540124012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540124021) 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, 28295 + ... + 43368.

It is an arithmetic number, because the mean of its divisors is an integer number (135050808).

Almost surely, 2540124031 is an apocalyptic number.

540124031 is a deficient number, since it is larger than the sum of its proper divisors (79201).

540124031 is an equidigital number, since it uses as much as digits as its factorization.

540124031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79200.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 540124031 is about 23240.5686462272. The cubic root of 540124031 is about 814.3876268596.

Adding to 540124031 its reverse (130421045), we get a palindrome (670545076).

The spelling of 540124031 in words is "five hundred forty million, one hundred twenty-four thousand, thirty-one".

Divisors: 1 7537 71663 540124031