Base | Representation |
---|---|
bin | 111001001110… |
… | …0101110110111 |
3 | 2002110021011000 |
4 | 1302130232313 |
5 | 30140031403 |
6 | 2551014343 |
7 | 513004455 |
oct | 162345667 |
9 | 62407130 |
10 | 30002103 |
11 | 15a3202a |
12 | a06a3b3 |
13 | 62a5c31 |
14 | 3dad9d5 |
15 | 29797a3 |
hex | 1c9cbb7 |
30002103 has 8 divisors (see below), whose sum is σ = 44447600. Its totient is φ = 20001384.
The previous prime is 30002087. The next prime is 30002107. The reversal of 30002103 is 30120003.
It is a happy number.
It is not a de Polignac number, because 30002103 - 24 = 30002087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002107) 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, 555568 + ... + 555621.
It is an arithmetic number, because the mean of its divisors is an integer number (5555950).
Almost surely, 230002103 is an apocalyptic number.
30002103 is a deficient number, since it is larger than the sum of its proper divisors (14445497).
30002103 is a wasteful number, since it uses less digits than its factorization.
30002103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111198 (or 1111192 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 30002103 is about 5477.4175484438. The cubic root of 30002103 is about 310.7305109924.
Adding to 30002103 its reverse (30120003), we get a palindrome (60122106).
The spelling of 30002103 in words is "thirty million, two thousand, one hundred three".
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