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42529479 = 353267481
BaseRepresentation
bin1010001000111…
…1001011000111
32222000201110220
42202033023013
541341420404
64115315423
71024331436
oct242171307
988021426
1042529479
1122009033
12122abb73
138a70c95
14591111d
153b014d9
hex288f2c7

42529479 has 8 divisors (see below), whose sum is σ = 57776112. Its totient is φ = 27817920.

The previous prime is 42529477. The next prime is 42529481. The reversal of 42529479 is 97492524.

42529479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42529477) and next prime (42529481).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42529479 - 21 = 42529477 is a prime.

It is a super-2 number, since 2×425294792 = 3617513168022882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42529479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42529477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133582 + ... + 133899.

It is an arithmetic number, because the mean of its divisors is an integer number (7222014).

Almost surely, 242529479 is an apocalyptic number.

42529479 is a deficient number, since it is larger than the sum of its proper divisors (15246633).

42529479 is a wasteful number, since it uses less digits than its factorization.

42529479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267537.

The product of its digits is 181440, while the sum is 42.

The square root of 42529479 is about 6521.4629493696. The cubic root of 42529479 is about 349.0572698249.

It can be divided in two parts, 4252 and 9479, that added together give a palindrome (13731).

The spelling of 42529479 in words is "forty-two million, five hundred twenty-nine thousand, four hundred seventy-nine".

Divisors: 1 3 53 159 267481 802443 14176493 42529479