Base | Representation |
---|---|
bin | 111001010100… |
… | …1100001001000 |
3 | 2002112220222121 |
4 | 1302221201020 |
5 | 30143220342 |
6 | 2552101024 |
7 | 513313240 |
oct | 162514110 |
9 | 62486877 |
10 | 30054472 |
11 | 15a68408 |
12 | a094774 |
13 | 62c3a16 |
14 | 3dc4b20 |
15 | 298a067 |
hex | 1ca9848 |
30054472 has 16 divisors (see below), whose sum is σ = 64402560. Its totient is φ = 12880464.
The previous prime is 30054457. The next prime is 30054503. The reversal of 30054472 is 27445003.
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, 268288 + ... + 268399.
It is an arithmetic number, because the mean of its divisors is an integer number (4025160).
Almost surely, 230054472 is an apocalyptic number.
It is an amenable number.
30054472 is an abundant number, since it is smaller than the sum of its proper divisors (34348088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30054472 is a wasteful number, since it uses less digits than its factorization.
30054472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536700 (or 536696 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 30054472 is about 5482.1959103994. The cubic root of 30054472 is about 310.9112004068.
Adding to 30054472 its reverse (27445003), we get a palindrome (57499475).
The spelling of 30054472 in words is "thirty million, fifty-four thousand, four hundred seventy-two".
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