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40858105 = 5611091229
BaseRepresentation
bin1001101111011…
…1000111111001
32211212210210011
42123313013321
540424424410
64015421521
71004200561
oct233670771
984783704
1040858105
1121077332
12118248a1
1386072c2
1455d7da1
1538c118a
hex26f71f9

40858105 has 16 divisors (see below), whose sum is σ = 50331600. Its totient is φ = 31829760.

The previous prime is 40858091. The next prime is 40858163. The reversal of 40858105 is 50185804.

It can be written as a sum of positive squares in 8 ways, for example, as 166464 + 40691641 = 408^2 + 6379^2 .

It is not a de Polignac number, because 40858105 - 25 = 40858073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32631 + ... + 33859.

It is an arithmetic number, because the mean of its divisors is an integer number (3145725).

Almost surely, 240858105 is an apocalyptic number.

It is an amenable number.

40858105 is a deficient number, since it is larger than the sum of its proper divisors (9473495).

40858105 is a wasteful number, since it uses less digits than its factorization.

40858105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 40858105 is about 6392.0344961522. The cubic root of 40858105 is about 344.4234717450.

The spelling of 40858105 in words is "forty million, eight hundred fifty-eight thousand, one hundred five".

Divisors: 1 5 61 109 305 545 1229 6145 6649 33245 74969 133961 374845 669805 8171621 40858105