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42586049 = 1119203761
BaseRepresentation
bin1010001001110…
…0111111000001
32222010121002002
42202130333001
541400223144
64120433345
71024655402
oct242347701
988117062
1042586049
1122047590
1212318855
138a9095c
1459279a9
153b1314e
hex289cfc1

42586049 has 8 divisors (see below), whose sum is σ = 48902880. Its totient is φ = 36676800.

The previous prime is 42586043. The next prime is 42586051. The reversal of 42586049 is 94068524.

42586049 = 872 + 882 + ... + 5042.

42586049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42586049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42586043) 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 7 ways as a sum of consecutive naturals, for example, 101672 + ... + 102089.

It is an arithmetic number, because the mean of its divisors is an integer number (6112860).

Almost surely, 242586049 is an apocalyptic number.

It is an amenable number.

42586049 is a deficient number, since it is larger than the sum of its proper divisors (6316831).

42586049 is a wasteful number, since it uses less digits than its factorization.

42586049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203791.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 42586049 is about 6525.7987250604. The cubic root of 42586049 is about 349.2119658275.

The spelling of 42586049 in words is "forty-two million, five hundred eighty-six thousand, forty-nine".

Divisors: 1 11 19 209 203761 2241371 3871459 42586049