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540502439 = 7322433301
BaseRepresentation
bin100000001101110…
…110100110100111
31101200001100221212
4200031312212213
52101332034224
6125344502035
716252123601
oct4015664647
91350040855
10540502439
11258110534
1213101a91b
1387c96539
1451ada171
15326b8d0e
hex203769a7

540502439 has 8 divisors (see below), whose sum is σ = 548316912. Its totient is φ = 532699200.

The previous prime is 540502421. The next prime is 540502447. The reversal of 540502439 is 934205045.

It is a happy number.

540502439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-540502439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540502499) 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, 162089 + ... + 165389.

It is an arithmetic number, because the mean of its divisors is an integer number (68539614).

Almost surely, 2540502439 is an apocalyptic number.

540502439 is a deficient number, since it is larger than the sum of its proper divisors (7814473).

540502439 is a wasteful number, since it uses less digits than its factorization.

540502439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 540502439 is about 23248.7083297116. The cubic root of 540502439 is about 814.5777676642.

The spelling of 540502439 in words is "five hundred forty million, five hundred two thousand, four hundred thirty-nine".

Divisors: 1 73 2243 3301 163739 240973 7404143 540502439