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42083539 = 400310513
BaseRepresentation
bin1010000010001…
…0010011010011
32221012001202121
42200202103103
541233133124
64101555111
71020463351
oct240422323
987161677
1042083539
1121833a93
1212115a97
138946004
1458367d1
153a642e4
hex28224d3

42083539 has 4 divisors (see below), whose sum is σ = 42098056. Its totient is φ = 42069024.

The previous prime is 42083533. The next prime is 42083543. The reversal of 42083539 is 93538024.

It is a happy number.

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 42083539 - 211 = 42081491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42083533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (10524514).

Almost surely, 242083539 is an apocalyptic number.

42083539 is a deficient number, since it is larger than the sum of its proper divisors (14517).

42083539 is a wasteful number, since it uses less digits than its factorization.

42083539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 42083539 is about 6487.1826704664. The cubic root of 42083539 is about 347.8329751836.

The spelling of 42083539 in words is "forty-two million, eighty-three thousand, five hundred thirty-nine".

Divisors: 1 4003 10513 42083539