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42133177 = 149282773
BaseRepresentation
bin1010000010111…
…0011010111001
32221021120212001
42200232122321
541241230202
64103021001
71021061152
oct240563271
987246761
1042133177
1121868309
121213a761
138962798
14584a929
153a73d87
hex282e6b9

42133177 has 4 divisors (see below), whose sum is σ = 42416100. Its totient is φ = 41850256.

The previous prime is 42133159. The next prime is 42133193. The reversal of 42133177 is 77133124.

42133177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9916201 + 32216976 = 3149^2 + 5676^2 .

It is a cyclic number.

It is not a de Polignac number, because 42133177 - 223 = 33744569 is a prime.

It is a super-2 number, since 2×421331772 = 3550409208226658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133277) 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 3 ways as a sum of consecutive naturals, for example, 141238 + ... + 141535.

It is an arithmetic number, because the mean of its divisors is an integer number (10604025).

Almost surely, 242133177 is an apocalyptic number.

It is an amenable number.

42133177 is a deficient number, since it is larger than the sum of its proper divisors (282923).

42133177 is a wasteful number, since it uses less digits than its factorization.

42133177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282922.

The product of its digits is 3528, while the sum is 28.

The square root of 42133177 is about 6491.0073948502. The cubic root of 42133177 is about 347.9696790643.

The spelling of 42133177 in words is "forty-two million, one hundred thirty-three thousand, one hundred seventy-seven".

Divisors: 1 149 282773 42133177