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42960085 = 571227431
BaseRepresentation
bin1010001111100…
…0010011010101
32222211121011021
42203320103111
541444210320
64132441141
71031104030
oct243702325
988747137
1042960085
1122282603
12124791b1
138b91c8c
1459c4017
153b88daa
hex28f84d5

42960085 has 8 divisors (see below), whose sum is σ = 58916736. Its totient is φ = 29458320.

The previous prime is 42960077. The next prime is 42960089. The reversal of 42960085 is 58006924.

It is a happy number.

42960085 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 not a de Polignac number, because 42960085 - 23 = 42960077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42960085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42960089) 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, 613681 + ... + 613750.

It is an arithmetic number, because the mean of its divisors is an integer number (7364592).

Almost surely, 242960085 is an apocalyptic number.

It is an amenable number.

42960085 is a deficient number, since it is larger than the sum of its proper divisors (15956651).

42960085 is a wasteful number, since it uses less digits than its factorization.

42960085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227443.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42960085 is about 6554.3943274722. The cubic root of 42960085 is about 350.2313708259.

The spelling of 42960085 in words is "forty-two million, nine hundred sixty thousand, eighty-five".

Divisors: 1 5 7 35 1227431 6137155 8592017 42960085