Base | Representation |
---|---|
bin | 111001011000… |
… | …0111110001011 |
3 | 2002121110212101 |
4 | 1302300332023 |
5 | 30200210003 |
6 | 2552454231 |
7 | 513501244 |
oct | 162607613 |
9 | 62543771 |
10 | 30085003 |
11 | 15a89343 |
12 | a0aa377 |
13 | 63048a0 |
14 | 3dd1ccb |
15 | 299411d |
hex | 1cb0f8b |
30085003 has 4 divisors (see below), whose sum is σ = 32399248. Its totient is φ = 27770760.
The previous prime is 30084953. The next prime is 30085009. The reversal of 30085003 is 30058003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30085003 - 29 = 30084491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30085009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157103 + ... + 1157128.
It is an arithmetic number, because the mean of its divisors is an integer number (8099812).
Almost surely, 230085003 is an apocalyptic number.
30085003 is a deficient number, since it is larger than the sum of its proper divisors (2314245).
30085003 is a wasteful number, since it uses less digits than its factorization.
30085003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2314244.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 30085003 is about 5484.9797629526. The cubic root of 30085003 is about 311.0164450591.
Subtracting from 30085003 its reverse (30058003), we obtain a cube (27000 = 303).
The spelling of 30085003 in words is "thirty million, eighty-five thousand, three".
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