Base | Representation |
---|---|
bin | 111001111100… |
… | …1100011001000 |
3 | 2010011120122122 |
4 | 1303321203020 |
5 | 30234213110 |
6 | 3003110412 |
7 | 516150035 |
oct | 163714310 |
9 | 63146578 |
10 | 30382280 |
11 | 16171725 |
12 | a212408 |
13 | 63a9ca6 |
14 | 406c38c |
15 | 2a02255 |
hex | 1cf98c8 |
30382280 has 16 divisors (see below), whose sum is σ = 68360220. Its totient is φ = 12152896.
The previous prime is 30382259. The next prime is 30382301. The reversal of 30382280 is 8228303.
It is an interprime number because it is at equal distance from previous prime (30382259) and next prime (30382301).
It can be written as a sum of positive squares in 2 ways, for example, as 27646564 + 2735716 = 5258^2 + 1654^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379739 + ... + 379818.
Almost surely, 230382280 is an apocalyptic number.
It is an amenable number.
30382280 is an abundant number, since it is smaller than the sum of its proper divisors (37977940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30382280 is a wasteful number, since it uses less digits than its factorization.
30382280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759568 (or 759564 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 30382280 is about 5512.0123367061. The cubic root of 30382280 is about 312.0374982325.
The spelling of 30382280 in words is "thirty million, three hundred eighty-two thousand, two hundred eighty".
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