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42006035 = 58401207
BaseRepresentation
bin1010000000111…
…1011000010011
32221001010110002
42200033120103
541223143120
64100200215
71020021401
oct240173023
987033402
1042006035
1121790835
121209906b
138919956
145816471
153a4b375
hex280f613

42006035 has 4 divisors (see below), whose sum is σ = 50407248. Its totient is φ = 33604824.

The previous prime is 42005983. The next prime is 42006037. The reversal of 42006035 is 53060024.

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

It is a cyclic number.

It is not a de Polignac number, because 42006035 - 28 = 42005779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42005998 and 42006016.

It is not an unprimeable number, because it can be changed into a prime (42006037) 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 in 3 ways as a sum of consecutive naturals, for example, 4200599 + ... + 4200608.

It is an arithmetic number, because the mean of its divisors is an integer number (12601812).

Almost surely, 242006035 is an apocalyptic number.

42006035 is a deficient number, since it is larger than the sum of its proper divisors (8401213).

42006035 is an equidigital number, since it uses as much as digits as its factorization.

42006035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401212.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42006035 is about 6481.2062920416. The cubic root of 42006035 is about 347.6193127554.

Adding to 42006035 its reverse (53060024), we get a palindrome (95066059).

The spelling of 42006035 in words is "forty-two million, six thousand, thirty-five".

Divisors: 1 5 8401207 42006035