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42671105 = 517502013
BaseRepresentation
bin1010001011000…
…1110000000001
32222021220202022
42202301300001
541410433410
64122331225
71025461361
oct242616001
988256668
1042671105
11220a5484
1212359b15
138ac0599
14594a9a1
153b2d455
hex28b1c01

42671105 has 8 divisors (see below), whose sum is σ = 54217512. Its totient is φ = 32128768.

The previous prime is 42671087. The next prime is 42671107. The reversal of 42671105 is 50117624.

It can be written as a sum of positive squares in 4 ways, for example, as 628849 + 42042256 = 793^2 + 6484^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42671105 - 214 = 42654721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42671107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250922 + ... + 251091.

It is an arithmetic number, because the mean of its divisors is an integer number (6777189).

Almost surely, 242671105 is an apocalyptic number.

It is an amenable number.

42671105 is a deficient number, since it is larger than the sum of its proper divisors (11546407).

42671105 is a wasteful number, since it uses less digits than its factorization.

42671105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502035.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42671105 is about 6532.3123777113. The cubic root of 42671105 is about 349.4443018535. Note that the first 3 decimals are identical.

Adding to 42671105 its reverse (50117624), we get a palindrome (92788729).

The spelling of 42671105 in words is "forty-two million, six hundred seventy-one thousand, one hundred five".

Divisors: 1 5 17 85 502013 2510065 8534221 42671105