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42534123 = 328434987
BaseRepresentation
bin1010001001000…
…0010011101011
32222000221211220
42202100103223
541342042443
64115353123
71024351122
oct242202353
988027756
1042534123
1122011575
12122b27a3
138a73128
145912ab9
153b02a83
hex28904eb

42534123 has 8 divisors (see below), whose sum is σ = 56743488. Its totient is φ = 28340424.

The previous prime is 42534091. The next prime is 42534131. The reversal of 42534123 is 32143524.

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

It is not a de Polignac number, because 42534123 - 25 = 42534091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42534093 and 42534102.

It is not an unprimeable number, because it can be changed into a prime (42534223) 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 7 ways as a sum of consecutive naturals, for example, 6036 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (7092936).

Almost surely, 242534123 is an apocalyptic number.

42534123 is a deficient number, since it is larger than the sum of its proper divisors (14209365).

42534123 is a wasteful number, since it uses less digits than its factorization.

42534123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833.

The product of its digits is 2880, while the sum is 24.

The square root of 42534123 is about 6521.8189947284. The cubic root of 42534123 is about 349.0699744477.

Adding to 42534123 its reverse (32143524), we get a palindrome (74677647).

The spelling of 42534123 in words is "forty-two million, five hundred thirty-four thousand, one hundred twenty-three".

Divisors: 1 3 2843 4987 8529 14961 14178041 42534123