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542871679 = 7137659859
BaseRepresentation
bin100000010110111…
…001000001111111
31101211111201221111
4200112321001333
52102433343204
6125511342451
716311222160
oct4026710177
91354451844
10542871679
11259489589
12131981a27
1388615a5c
1452155767
15329d5d04
hex205b907f

542871679 has 16 divisors (see below), whose sum is σ = 626630400. Its totient is φ = 460684224.

The previous prime is 542871649. The next prime is 542871683. The reversal of 542871679 is 976178245.

542871679 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 542871679 - 29 = 542871167 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 (542871649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631552 + ... + 632410.

It is an arithmetic number, because the mean of its divisors is an integer number (39164400).

Almost surely, 2542871679 is an apocalyptic number.

542871679 is a deficient number, since it is larger than the sum of its proper divisors (83758721).

542871679 is a wasteful number, since it uses less digits than its factorization.

542871679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 846720, while the sum is 49.

The square root of 542871679 is about 23299.6068421765. The cubic root of 542871679 is about 815.7662403710.

The spelling of 542871679 in words is "five hundred forty-two million, eight hundred seventy-one thousand, six hundred seventy-nine".

Divisors: 1 7 137 659 859 959 4613 6013 90283 117683 566081 631981 823781 3962567 77553097 542871679