Base | Representation |
---|---|
bin | 111001001110… |
… | …0111110111010 |
3 | 2002110022120001 |
4 | 1302130332322 |
5 | 30140100010 |
6 | 2551023214 |
7 | 513010453 |
oct | 162347672 |
9 | 62408501 |
10 | 30003130 |
11 | 15a32883 |
12 | a06ab0a |
13 | 62a6541 |
14 | 3db012a |
15 | 2979c3a |
hex | 1c9cfba |
30003130 has 16 divisors (see below), whose sum is σ = 57182760. Its totient is φ = 11295232.
The previous prime is 30003119. The next prime is 30003143. The reversal of 30003130 is 3130003.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 24532209 + 5470921 = 4953^2 + 2339^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88075 + ... + 88414.
Almost surely, 230003130 is an apocalyptic number.
30003130 is a deficient number, since it is larger than the sum of its proper divisors (27179630).
30003130 is a wasteful number, since it uses less digits than its factorization.
30003130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176513.
The product of its (nonzero) digits is 27, while the sum is 10.
The square root of 30003130 is about 5477.5112962001. The cubic root of 30003130 is about 310.7340564837.
Adding to 30003130 its reverse (3130003), we get a palindrome (33133133).
The spelling of 30003130 in words is "thirty million, three thousand, one hundred thirty".
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