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542730487 = 13222314401
BaseRepresentation
bin100000010110010…
…110100011110111
31101211020120021011
4200112112203313
52102414333422
6125504333051
716310063425
oct4026264367
91354216234
10542730487
112593a24a2
12131914187
1388596700
145211a115
15329a9077
hex205968f7

542730487 has 12 divisors (see below), whose sum is σ = 590366784. Its totient is φ = 498700800.

The previous prime is 542730473. The next prime is 542730493. The reversal of 542730487 is 784037245.

542730487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542730487 - 219 = 542206199 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 (542730187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30487 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (49197232).

Almost surely, 2542730487 is an apocalyptic number.

542730487 is a deficient number, since it is larger than the sum of its proper divisors (47636297).

542730487 is a wasteful number, since it uses less digits than its factorization.

542730487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650 (or 14637 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 542730487 is about 23296.5767227720. The cubic root of 542730487 is about 815.6955117756.

The spelling of 542730487 in words is "five hundred forty-two million, seven hundred thirty thousand, four hundred eighty-seven".

Divisors: 1 13 169 223 2899 14401 37687 187213 2433769 3211423 41748499 542730487