Base | Representation |
---|---|
bin | 1010001110110… |
… | …0000100110101 |
3 | 2222202001110110 |
4 | 2203230010311 |
5 | 41441110010 |
6 | 4131413233 |
7 | 1030505025 |
oct | 243540465 |
9 | 88661413 |
10 | 42910005 |
11 | 22248a16 |
12 | 12454219 |
13 | 8b75248 |
14 | 59ada85 |
15 | 3b79120 |
hex | 28ec135 |
42910005 has 16 divisors (see below), whose sum is σ = 68929344. Its totient is φ = 22794240.
The previous prime is 42909991. The next prime is 42910027. The reversal of 42910005 is 50001924.
It is not a de Polignac number, because 42910005 - 221 = 40812853 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711 + ... + 9420.
It is an arithmetic number, because the mean of its divisors is an integer number (4308084).
Almost surely, 242910005 is an apocalyptic number.
It is an amenable number.
42910005 is a deficient number, since it is larger than the sum of its proper divisors (26019339).
42910005 is a wasteful number, since it uses less digits than its factorization.
42910005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11396.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 42910005 is about 6550.5728757109. The cubic root of 42910005 is about 350.0952257899.
Adding to 42910005 its reverse (50001924), we get a palindrome (92911929).
The spelling of 42910005 in words is "forty-two million, nine hundred ten thousand, five".
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