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40231105 = 58046221
BaseRepresentation
bin1001100101111…
…0000011000001
32210200221200221
42121132003001
540244343410
63554143041
7665646565
oct231360301
983627627
1040231105
1120789252
1211581a81
138447ab5
1454b36a5
1537ea4da
hex265e0c1

40231105 has 4 divisors (see below), whose sum is σ = 48277332. Its totient is φ = 32184880.

The previous prime is 40231073. The next prime is 40231111. The reversal of 40231105 is 50113204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24295041 + 15936064 = 4929^2 + 3992^2 .

It is not a de Polignac number, because 40231105 - 25 = 40231073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4023106 + ... + 4023115.

It is an arithmetic number, because the mean of its divisors is an integer number (12069333).

Almost surely, 240231105 is an apocalyptic number.

It is an amenable number.

40231105 is a deficient number, since it is larger than the sum of its proper divisors (8046227).

40231105 is an equidigital number, since it uses as much as digits as its factorization.

40231105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046226.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40231105 is about 6342.7994608059. The cubic root of 40231105 is about 342.6525649182.

Adding to 40231105 its reverse (50113204), we get a palindrome (90344309).

The spelling of 40231105 in words is "forty million, two hundred thirty-one thousand, one hundred five".

Divisors: 1 5 8046221 40231105