Base | Representation |
---|---|
bin | 1100010001111… |
… | …00000111000100 |
3 | 21011211021120111 |
4 | 12020330013010 |
5 | 202332203120 |
6 | 14115442404 |
7 | 2360353651 |
oct | 610740704 |
9 | 234737514 |
10 | 103006660 |
11 | 53165479 |
12 | 2a5b6404 |
13 | 184571b3 |
14 | d974c28 |
15 | 909a75a |
hex | 623c1c4 |
103006660 has 12 divisors (see below), whose sum is σ = 216314028. Its totient is φ = 41202656.
The previous prime is 103006649. The next prime is 103006667. The reversal of 103006660 is 66600301.
It can be written as a sum of positive squares in 2 ways, for example, as 47444544 + 55562116 = 6888^2 + 7454^2 .
It is a super-2 number, since 2×1030066602 = 21220744008711200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (103006667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575147 + ... + 2575186.
It is an arithmetic number, because the mean of its divisors is an integer number (18026169).
Almost surely, 2103006660 is an apocalyptic number.
103006660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103006660 is an abundant number, since it is smaller than the sum of its proper divisors (113307368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103006660 is a wasteful number, since it uses less digits than its factorization.
103006660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5150342 (or 5150340 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 103006660 is about 10149.2196744380. The cubic root of 103006660 is about 468.7649178067.
Adding to 103006660 its reverse (66600301), we get a palindrome (169606961).
The spelling of 103006660 in words is "one hundred three million, six thousand, six hundred sixty".
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