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42030112 = 255212521
BaseRepresentation
bin1010000001010…
…1010000100000
32221002100110211
42200111100200
541224430422
64100503504
71020151525
oct240252040
987070424
1042030112
11217a7933
12120aab94
1389278b7
14582114c
153a53577
hex2815420

42030112 has 24 divisors (see below), whose sum is σ = 82938492. Its totient is φ = 20966400.

The previous prime is 42030097. The next prime is 42030119. The reversal of 42030112 is 21103024.

It can be written as a sum of positive squares in 2 ways, for example, as 32764176 + 9265936 = 5724^2 + 3044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42030092 and 42030101.

It is not an unprimeable number, because it can be changed into a prime (42030119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15412 + ... + 17932.

Almost surely, 242030112 is an apocalyptic number.

It is an amenable number.

42030112 is a deficient number, since it is larger than the sum of its proper divisors (40908380).

42030112 is a wasteful number, since it uses less digits than its factorization.

42030112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42030112 is about 6483.0634733897. The cubic root of 42030112 is about 347.6857161631.

Adding to 42030112 its reverse (21103024), we get a palindrome (63133136).

The spelling of 42030112 in words is "forty-two million, thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 521 1042 2084 2521 4168 5042 8336 10084 16672 20168 40336 80672 1313441 2626882 5253764 10507528 21015056 42030112