Search a number
-
+
540102729 = 3271709937
BaseRepresentation
bin100000001100010…
…101000001001001
31101122022001122210
4200030111001021
52101231241404
6125332135333
716245540345
oct4014250111
91348261583
10540102729
112579681a1
12130a67549
1387b8661a
1451a34625
153263a689
hex20315049

540102729 has 16 divisors (see below), whose sum is σ = 724586240. Its totient is φ = 357851520.

The previous prime is 540102659. The next prime is 540102737. The reversal of 540102729 is 927201045.

It is not a de Polignac number, because 540102729 - 217 = 539971657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540102696 and 540102705.

It is not an unprimeable number, because it can be changed into a prime (540102749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575949 + ... + 576885.

It is an arithmetic number, because the mean of its divisors is an integer number (45286640).

Almost surely, 2540102729 is an apocalyptic number.

It is an amenable number.

540102729 is a deficient number, since it is larger than the sum of its proper divisors (184483511).

540102729 is a wasteful number, since it uses less digits than its factorization.

540102729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 540102729 is about 23240.1103482750. The cubic root of 540102729 is about 814.3769204834.

The spelling of 540102729 in words is "five hundred forty million, one hundred two thousand, seven hundred twenty-nine".

Divisors: 1 3 271 709 813 937 2127 2811 192139 253927 576417 664333 761781 1992999 180034243 540102729