| Base | Representation |
|---|---|
| bin | 1100010110111… |
| … | …00111111011110 |
| 3 | 21020001202111210 |
| 4 | 12023130333132 |
| 5 | 203014300010 |
| 6 | 14141525250 |
| 7 | 2366100105 |
| oct | 613347736 |
| 9 | 236052453 |
| 10 | 103665630 |
| 11 | 53575582 |
| 12 | 2a873826 |
| 13 | 18628113 |
| 14 | daa703c |
| 15 | 917ab20 |
| hex | 62dcfde |
103665630 has 64 divisors (see below), whose sum is σ = 256628736. Its totient is φ = 26784000.
The previous prime is 103665629. The next prime is 103665631. The reversal of 103665630 is 36566301.
It is an interprime number because it is at equal distance from previous prime (103665629) and next prime (103665631).
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103665631) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333175 + ... + 333485.
It is an arithmetic number, because the mean of its divisors is an integer number (4009824).
Almost surely, 2103665630 is an apocalyptic number.
103665630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 103665630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128314368).
103665630 is an abundant number, since it is smaller than the sum of its proper divisors (152963106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103665630 is a wasteful number, since it uses less digits than its factorization.
103665630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 103665630 is about 10181.6319909924. The cubic root of 103665630 is about 469.7624119838.
It can be divided in two parts, 1036 and 65630, that added together give a palindrome (66666).
The spelling of 103665630 in words is "one hundred three million, six hundred sixty-five thousand, six hundred thirty".
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