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540272723 = 1914316563
BaseRepresentation
bin100000001100111…
…110100001010011
31101122121200211212
4200030332201103
52101302211343
6125335530335
716250146064
oct4014764123
91348550755
10540272723
11257a73991
12130b299ab
1387c15b03
1451a7a56b
1532670c18
hex2033e853

540272723 has 8 divisors (see below), whose sum is σ = 544444416. Its totient is φ = 536115400.

The previous prime is 540272701. The next prime is 540272741. The reversal of 540272723 is 327272045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540272723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540272723.

It is not an unprimeable number, because it can be changed into a prime (540272773) 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 7 ways as a sum of consecutive naturals, for example, 79040 + ... + 85602.

It is an arithmetic number, because the mean of its divisors is an integer number (68055552).

Almost surely, 2540272723 is an apocalyptic number.

540272723 is a deficient number, since it is larger than the sum of its proper divisors (4171693).

540272723 is a wasteful number, since it uses less digits than its factorization.

540272723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 540272723 is about 23243.7674011766. The cubic root of 540272723 is about 814.4623515573.

It can be divided in two parts, 5402 and 72723, that added together give a 7-th power (78125 = 57).

The spelling of 540272723 in words is "five hundred forty million, two hundred seventy-two thousand, seven hundred twenty-three".

Divisors: 1 191 431 6563 82321 1253533 2828653 540272723