Search a number
-
+
540053747 = 2918622543
BaseRepresentation
bin100000001100001…
…001000011110011
31101122012120110122
4200030021003303
52101223204442
6125331120455
716245244502
oct4014110363
91348176418
10540053747
11257934412
12130a4312b
1387b6a23c
1451a20839
153262add2
hex203090f3

540053747 has 4 divisors (see below), whose sum is σ = 558676320. Its totient is φ = 521431176.

The previous prime is 540053743. The next prime is 540053749. The reversal of 540053747 is 747350045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540053747 - 22 = 540053743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540053741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9311243 + ... + 9311300.

It is an arithmetic number, because the mean of its divisors is an integer number (139669080).

Almost surely, 2540053747 is an apocalyptic number.

540053747 is a deficient number, since it is larger than the sum of its proper divisors (18622573).

540053747 is a wasteful number, since it uses less digits than its factorization.

540053747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18622572.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 540053747 is about 23239.0564997807. The cubic root of 540053747 is about 814.3523010828.

The spelling of 540053747 in words is "five hundred forty million, fifty-three thousand, seven hundred forty-seven".

Divisors: 1 29 18622543 540053747