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540012757 = 2718632309
BaseRepresentation
bin100000001011111…
…111000011010101
31101122010111020111
4200023333003111
52101220402012
6125330203021
716245014134
oct4013770325
91348114214
10540012757
11257906639
12130a23471
1387b5469b
1451a0d91b
153261dba7
hex202ff0d5

540012757 has 8 divisors (see below), whose sum is σ = 542868480. Its totient is φ = 537163920.

The previous prime is 540012731. The next prime is 540012773. The reversal of 540012757 is 757210045.

540012757 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-540012757 is a prime.

It is a super-2 number, since 2×5400127572 = 583227555445482098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540012787) 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, 232719 + ... + 235027.

It is an arithmetic number, because the mean of its divisors is an integer number (67858560).

Almost surely, 2540012757 is an apocalyptic number.

It is an amenable number.

540012757 is a deficient number, since it is larger than the sum of its proper divisors (2855723).

540012757 is a wasteful number, since it uses less digits than its factorization.

540012757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 540012757 is about 23238.1745625598. The cubic root of 540012757 is about 814.3316974883.

The spelling of 540012757 in words is "five hundred forty million, twelve thousand, seven hundred fifty-seven".