Base | Representation |
---|---|
bin | 111001101001… |
… | …0011010110011 |
3 | 2002212102210110 |
4 | 1303102122303 |
5 | 30214101003 |
6 | 2555432403 |
7 | 514611540 |
oct | 163223263 |
9 | 62772713 |
10 | 30222003 |
11 | 16072269 |
12 | a155703 |
13 | 6352056 |
14 | 4029bc7 |
15 | 29bea03 |
hex | 1cd26b3 |
30222003 has 16 divisors (see below), whose sum is σ = 46638080. Its totient is φ = 17050176.
The previous prime is 30221969. The next prime is 30222011. The reversal of 30222003 is 30022203.
It is not a de Polignac number, because 30222003 - 212 = 30217907 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30222003.
It is not an unprimeable number, because it can be changed into a prime (30222013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7450 + ... + 10767.
It is an arithmetic number, because the mean of its divisors is an integer number (2914880).
Almost surely, 230222003 is an apocalyptic number.
30222003 is a deficient number, since it is larger than the sum of its proper divisors (16416077).
30222003 is a wasteful number, since it uses less digits than its factorization.
30222003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18306.
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 30222003 is about 5497.4542290045. The cubic root of 30222003 is about 311.4878287427.
Adding to 30222003 its reverse (30022203), we get a palindrome (60244206).
It can be divided in two parts, 3022200 and 3, that added together give a palindrome (3022203).
The spelling of 30222003 in words is "thirty million, two hundred twenty-two thousand, three".
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