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42133023 = 3222920443
BaseRepresentation
bin1010000010111…
…0011000011111
32221021120122100
42200232120133
541241224043
64103020143
71021060542
oct240563037
987246570
1042133023
1121868189
121213a653
1389626aa
14584a859
153a73cd3
hex282e61f

42133023 has 12 divisors (see below), whose sum is σ = 61127560. Its totient is φ = 27964656.

The previous prime is 42133001. The next prime is 42133043. The reversal of 42133023 is 32033124.

42133023 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 42133023 - 28 = 42132767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42132987 and 42133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133043) 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 11 ways as a sum of consecutive naturals, for example, 8161 + ... + 12282.

Almost surely, 242133023 is an apocalyptic number.

42133023 is a deficient number, since it is larger than the sum of its proper divisors (18994537).

42133023 is a wasteful number, since it uses less digits than its factorization.

42133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678 (or 20675 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42133023 is about 6490.9955322739. The cubic root of 42133023 is about 347.9692551118.

Adding to 42133023 its reverse (32033124), we get a palindrome (74166147).

The spelling of 42133023 in words is "forty-two million, one hundred thirty-three thousand, twenty-three".

Divisors: 1 3 9 229 687 2061 20443 61329 183987 4681447 14044341 42133023