Base | Representation |
---|---|
bin | 111001001110… |
… | …0011101110010 |
3 | 2002110012122112 |
4 | 1302130131302 |
5 | 30140013020 |
6 | 2551005322 |
7 | 513001334 |
oct | 162343562 |
9 | 62405575 |
10 | 30001010 |
11 | 15a31226 |
12 | a069842 |
13 | 62a55a0 |
14 | 3dad454 |
15 | 29792c5 |
hex | 1c9c772 |
30001010 has 32 divisors (see below), whose sum is σ = 58831920. Its totient is φ = 10948608.
The previous prime is 30001009. The next prime is 30001031. The reversal of 30001010 is 1010003.
It can be written as a sum of positive squares in 8 ways, for example, as 4669921 + 25331089 = 2161^2 + 5033^2 .
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30000985 and 30001003.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10274 + ... + 12866.
Almost surely, 230001010 is an apocalyptic number.
30001010 is a deficient number, since it is larger than the sum of its proper divisors (28830910).
30001010 is a wasteful number, since it uses less digits than its factorization.
30001010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2702.
The product of its (nonzero) digits is 3, while the sum is 5.
The square root of 30001010 is about 5477.3177742395. The cubic root of 30001010 is about 310.7267375616.
Adding to 30001010 its reverse (1010003), we get a palindrome (31011013).
The spelling of 30001010 in words is "thirty million, one thousand, ten".
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