Base | Representation |
---|---|
bin | 111001110111… |
… | …1010111011100 |
3 | 2010002110102220 |
4 | 1303233113130 |
5 | 30231344242 |
6 | 3002145340 |
7 | 515614323 |
oct | 163572734 |
9 | 63073386 |
10 | 30340572 |
11 | 16143359 |
12 | a1b2250 |
13 | 6394002 |
14 | 405b0ba |
15 | 29e4bec |
hex | 1cef5dc |
30340572 has 48 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 9862720.
The previous prime is 30340559. The next prime is 30340577. The reversal of 30340572 is 27504303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30340577) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126829 + ... + 127067.
It is an arithmetic number, because the mean of its divisors is an integer number (1512000).
Almost surely, 230340572 is an apocalyptic number.
It is an amenable number.
30340572 is an abundant number, since it is smaller than the sum of its proper divisors (42235428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30340572 is a wasteful number, since it uses less digits than its factorization.
30340572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466 (or 464 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 24.
The square root of 30340572 is about 5508.2276641403. The cubic root of 30340572 is about 311.8946472041.
Adding to 30340572 its reverse (27504303), we get a palindrome (57844875).
The spelling of 30340572 in words is "thirty million, three hundred forty thousand, five hundred seventy-two".
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