Base | Representation |
---|---|
bin | 111001001111… |
… | …1011100101000 |
3 | 2002110211101220 |
4 | 1302133130220 |
5 | 30140410344 |
6 | 2551142040 |
7 | 513052053 |
oct | 162373450 |
9 | 62424356 |
10 | 30013224 |
11 | 15a3a41a |
12 | a074920 |
13 | 62ab007 |
14 | 3db3a9a |
15 | 297cc19 |
hex | 1c9f728 |
30013224 has 16 divisors (see below), whose sum is σ = 75033120. Its totient is φ = 10004400.
The previous prime is 30013201. The next prime is 30013283. The reversal of 30013224 is 42231003.
It is a super-2 number, since 2×300132242 = 1801587229748352, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625252 + ... + 625299.
It is an arithmetic number, because the mean of its divisors is an integer number (4689570).
Almost surely, 230013224 is an apocalyptic number.
It is an amenable number.
30013224 is an abundant number, since it is smaller than the sum of its proper divisors (45019896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013224 is a wasteful number, since it uses less digits than its factorization.
30013224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250560 (or 1250556 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30013224 is about 5478.4326225664. The cubic root of 30013224 is about 310.7688994917.
Adding to 30013224 its reverse (42231003), we get a palindrome (72244227).
The spelling of 30013224 in words is "thirty million, thirteen thousand, two hundred twenty-four".
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