Base | Representation |
---|---|
bin | 111001111000… |
… | …0000110000000 |
3 | 2010002121112021 |
4 | 1303300012000 |
5 | 30231443202 |
6 | 3002211224 |
7 | 515626111 |
oct | 163600600 |
9 | 63077467 |
10 | 30343552 |
11 | 16145618 |
12 | a1b3b14 |
13 | 6395485 |
14 | 405c208 |
15 | 29e5a37 |
hex | 1cf0180 |
30343552 has 64 divisors (see below), whose sum is σ = 63954000. Its totient is φ = 14321664.
The previous prime is 30343549. The next prime is 30343553. The reversal of 30343552 is 25534303.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×303435522 = 1841462295953408, which contains 22 as substring.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30343553) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203574 + ... + 203722.
Almost surely, 230343552 is an apocalyptic number.
30343552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30343552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31977000).
30343552 is an abundant number, since it is smaller than the sum of its proper divisors (33610448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30343552 is a wasteful number, since it uses less digits than its factorization.
30343552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243 (or 231 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 25.
The square root of 30343552 is about 5508.4981619313. The cubic root of 30343552 is about 311.9048581259.
Adding to 30343552 its reverse (25534303), we get a palindrome (55877855).
Subtracting from 30343552 its reverse (25534303), we obtain a square (4809249 = 21932).
The spelling of 30343552 in words is "thirty million, three hundred forty-three thousand, five hundred fifty-two".
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