Base | Representation |
---|---|
bin | 111001101001… |
… | …0011111111010 |
3 | 2002212110020120 |
4 | 1303102133322 |
5 | 30214103310 |
6 | 2555434110 |
7 | 514612515 |
oct | 163223772 |
9 | 62773216 |
10 | 30222330 |
11 | 16072536 |
12 | a155936 |
13 | 6352248 |
14 | 4029d7c |
15 | 29beb70 |
hex | 1cd27fa |
30222330 has 32 divisors (see below), whose sum is σ = 74305728. Its totient is φ = 7862400.
The previous prime is 30222307. The next prime is 30222373. The reversal of 30222330 is 3322203.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 11056 + ... + 13515.
It is an arithmetic number, because the mean of its divisors is an integer number (2322054).
Almost surely, 230222330 is an apocalyptic number.
30222330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30222330 is an abundant number, since it is smaller than the sum of its proper divisors (44083398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30222330 is a wasteful number, since it uses less digits than its factorization.
30222330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24622.
The product of its (nonzero) digits is 216, while the sum is 15.
The square root of 30222330 is about 5497.4839699630. The cubic root of 30222330 is about 311.4889521643.
Adding to 30222330 its reverse (3322203), we get a palindrome (33544533).
It can be divided in two parts, 302223 and 30, that added together give a triangular number (302253 = T777).
The spelling of 30222330 in words is "thirty million, two hundred twenty-two thousand, three hundred thirty".
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