Base | Representation |
---|---|
bin | 111011000110… |
… | …0001100101000 |
3 | 2011022002121202 |
4 | 1312030030220 |
5 | 30412423302 |
6 | 3024023332 |
7 | 524231210 |
oct | 166141450 |
9 | 64262552 |
10 | 30982952 |
11 | 16541a50 |
12 | a461b48 |
13 | 655a510 |
14 | 4187240 |
15 | 2ac0202 |
hex | 1d8c328 |
30982952 has 128 divisors (see below), whose sum is σ = 80559360. Its totient is φ = 10782720.
The previous prime is 30982943. The next prime is 30982957. The reversal of 30982952 is 25928903.
It is not an unprimeable number, because it can be changed into a prime (30982957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424388 + ... + 424460.
It is an arithmetic number, because the mean of its divisors is an integer number (629370).
Almost surely, 230982952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30982952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40279680).
30982952 is an abundant number, since it is smaller than the sum of its proper divisors (49576408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30982952 is a wasteful number, since it uses less digits than its factorization.
30982952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 38.
The square root of 30982952 is about 5566.2331966959. The cubic root of 30982952 is about 314.0804694569.
The spelling of 30982952 in words is "thirty million, nine hundred eighty-two thousand, nine hundred fifty-two".
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