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42946085 = 5713372551
BaseRepresentation
bin1010001111010…
…0111000100101
32222210212221202
42203310320211
541443233320
64132252245
71031015150
oct243647045
988725852
1042946085
1122273036
1212471085
138b887b0
1459bcc97
153b84b75
hex28f4e25

42946085 has 32 divisors (see below), whose sum is σ = 65167872. Its totient is φ = 26438400.

The previous prime is 42946069. The next prime is 42946091. The reversal of 42946085 is 58064924.

42946085 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 42946085 - 24 = 42946069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15560 + ... + 18110.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 242946085 is an apocalyptic number.

It is an amenable number.

42946085 is a deficient number, since it is larger than the sum of its proper divisors (22221787).

42946085 is a wasteful number, since it uses less digits than its factorization.

42946085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

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

The square root of 42946085 is about 6553.3262546588. The cubic root of 42946085 is about 350.1933217709.

The spelling of 42946085 in words is "forty-two million, nine hundred forty-six thousand, eighty-five".

Divisors: 1 5 7 13 35 37 65 91 185 259 455 481 1295 2405 2551 3367 12755 16835 17857 33163 89285 94387 165815 232141 471935 660709 1160705 1227031 3303545 6135155 8589217 42946085