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42741074 = 221370537
BaseRepresentation
bin1010001100001…
…0110101010010
32222102110201202
42203002311102
541420203244
64124031202
71026202355
oct243026522
988373652
1042741074
1122143002
1212392502
138b1639c
14596829c
153b4404e
hex28c2d52

42741074 has 4 divisors (see below), whose sum is σ = 64111614. Its totient is φ = 21370536.

The previous prime is 42741073. The next prime is 42741091. The reversal of 42741074 is 47014724.

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

It can be written as a sum of positive squares in only one way, i.e., 39150049 + 3591025 = 6257^2 + 1895^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42741071) 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 as a sum of consecutive naturals, namely, 10685267 + ... + 10685270.

Almost surely, 242741074 is an apocalyptic number.

42741074 is a deficient number, since it is larger than the sum of its proper divisors (21370540).

42741074 is a wasteful number, since it uses less digits than its factorization.

42741074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370539.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 42741074 is about 6537.6657913968. The cubic root of 42741074 is about 349.6351954069.

Adding to 42741074 its reverse (47014724), we get a palindrome (89755798).

The spelling of 42741074 in words is "forty-two million, seven hundred forty-one thousand, seventy-four".

Divisors: 1 2 21370537 42741074