Base | Representation |
---|---|
bin | 111001001110… |
… | …0011111001111 |
3 | 2002110012202222 |
4 | 1302130133033 |
5 | 30140013403 |
6 | 2551005555 |
7 | 513001526 |
oct | 162343717 |
9 | 62405688 |
10 | 30001103 |
11 | 15a31300 |
12 | a0698bb |
13 | 62a5642 |
14 | 3dad4bd |
15 | 2979338 |
hex | 1c9c7cf |
30001103 has 6 divisors (see below), whose sum is σ = 32976552. Its totient is φ = 27273620.
The previous prime is 30001093. The next prime is 30001123. The reversal of 30001103 is 30110003.
It is not a de Polignac number, because 30001103 - 210 = 30000079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001123) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123851 + ... + 124092.
It is an arithmetic number, because the mean of its divisors is an integer number (5496092).
Almost surely, 230001103 is an apocalyptic number.
30001103 is a deficient number, since it is larger than the sum of its proper divisors (2975449).
30001103 is a wasteful number, since it uses less digits than its factorization.
30001103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247965 (or 247954 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 8.
The square root of 30001103 is about 5477.3262637897. The cubic root of 30001103 is about 310.7270586348.
Adding to 30001103 its reverse (30110003), we get a palindrome (60111106).
Subtracting 30001103 from its reverse (30110003), we obtain a square (108900 = 3302).
The spelling of 30001103 in words is "thirty million, one thousand, one hundred three".
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