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540130043 = 19103275999
BaseRepresentation
bin100000001100011…
…011101011111011
31101122100110010102
4200030123223323
52101233130133
6125332510015
716246013105
oct4014335373
91348313112
10540130043
11257986772
12130a7b30b
1387b95b9b
1451a40575
15326437e8
hex2031bafb

540130043 has 8 divisors (see below), whose sum is σ = 574080000. Its totient is φ = 506732328.

The previous prime is 540130021. The next prime is 540130057. The reversal of 540130043 is 340031045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540130043 - 210 = 540129019 is a prime.

It is a super-3 number, since 3×5401300433 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540129997 and 540130024.

It is not an unprimeable number, because it can be changed into a prime (540130093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136043 + ... + 139956.

It is an arithmetic number, because the mean of its divisors is an integer number (71760000).

Almost surely, 2540130043 is an apocalyptic number.

540130043 is a deficient number, since it is larger than the sum of its proper divisors (33949957).

540130043 is a wasteful number, since it uses less digits than its factorization.

540130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276121.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 540130043 is about 23240.6979886577. The cubic root of 540130043 is about 814.3906484374.

Adding to 540130043 its reverse (340031045), we get a palindrome (880161088).

The spelling of 540130043 in words is "five hundred forty million, one hundred thirty thousand, forty-three".

Divisors: 1 19 103 1957 275999 5243981 28427897 540130043