Base | Representation |
---|---|
bin | 100110010011… |
… | …101010010101 |
3 | 200220012001010 |
4 | 212103222111 |
5 | 10032321010 |
6 | 555122433 |
7 | 151232661 |
oct | 46235225 |
9 | 20805033 |
10 | 10042005 |
11 | 5739786 |
12 | 3443419 |
13 | 2107a1c |
14 | 14958a1 |
15 | d35620 |
hex | 993a95 |
10042005 has 16 divisors (see below), whose sum is σ = 16441920. Its totient is φ = 5230848.
The previous prime is 10042001. The next prime is 10042009. The reversal of 10042005 is 50024001.
10042005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10042001) and next prime (10042009).
It is not a de Polignac number, because 10042005 - 22 = 10042001 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10042001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7140 + ... + 8429.
It is an arithmetic number, because the mean of its divisors is an integer number (1027620).
Almost surely, 210042005 is an apocalyptic number.
10042005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10042005 is a deficient number, since it is larger than the sum of its proper divisors (6399915).
10042005 is a wasteful number, since it uses less digits than its factorization.
10042005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15620.
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 10042005 is about 3168.9122739514. The cubic root of 10042005 is about 215.7447043802.
Adding to 10042005 its reverse (50024001), we get a palindrome (60066006).
The spelling of 10042005 in words is "ten million, forty-two thousand, five".
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