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42725482 = 221362741
BaseRepresentation
bin1010001011111…
…1000001101010
32222101200100021
42202333001222
541414203412
64123431054
71026106042
oct242770152
988350307
1042725482
1122132318
121238548a
138b0c267
145962722
153b3e607
hex28bf06a

42725482 has 4 divisors (see below), whose sum is σ = 64088226. Its totient is φ = 21362740.

The previous prime is 42725477. The next prime is 42725483. The reversal of 42725482 is 28452724.

42725482 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 only one way, i.e., 23707161 + 19018321 = 4869^2 + 4361^2 .

It is not an unprimeable number, because it can be changed into a prime (42725483) 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 as a sum of consecutive naturals, namely, 10681369 + ... + 10681372.

Almost surely, 242725482 is an apocalyptic number.

42725482 is a deficient number, since it is larger than the sum of its proper divisors (21362744).

42725482 is a wasteful number, since it uses less digits than its factorization.

42725482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362743.

The product of its digits is 35840, while the sum is 34.

The square root of 42725482 is about 6536.4732080840. The cubic root of 42725482 is about 349.5926744429.

The spelling of 42725482 in words is "forty-two million, seven hundred twenty-five thousand, four hundred eighty-two".

Divisors: 1 2 21362741 42725482