Base | Representation |
---|---|
bin | 100110100110… |
… | …001010101101 |
3 | 201001001000112 |
4 | 212212022231 |
5 | 10042232210 |
6 | 1000505405 |
7 | 151666655 |
oct | 46461255 |
9 | 21031015 |
10 | 10117805 |
11 | 5790725 |
12 | 347b265 |
13 | 2133389 |
14 | 14b5365 |
15 | d4cd05 |
hex | 9a62ad |
10117805 has 8 divisors (see below), whose sum is σ = 12855672. Its totient is φ = 7618048.
The previous prime is 10117801. The next prime is 10117817. The reversal of 10117805 is 50871101.
10117805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2735716 + 7382089 = 1654^2 + 2717^2 .
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 10117805 - 22 = 10117801 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10117801) 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, 59432 + ... + 59601.
It is an arithmetic number, because the mean of its divisors is an integer number (1606959).
Almost surely, 210117805 is an apocalyptic number.
It is an amenable number.
10117805 is a deficient number, since it is larger than the sum of its proper divisors (2737867).
10117805 is a wasteful number, since it uses less digits than its factorization.
10117805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119055.
The product of its (nonzero) digits is 280, while the sum is 23.
The square root of 10117805 is about 3180.8497292390. The cubic root of 10117805 is about 216.2861790293.
Adding to 10117805 its reverse (50871101), we get a palindrome (60988906).
The spelling of 10117805 in words is "ten million, one hundred seventeen thousand, eight hundred five".
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