Base | Representation |
---|---|
bin | 111001111010… |
… | …1100011001000 |
3 | 2010010202011211 |
4 | 1303311203020 |
5 | 30233202041 |
6 | 3002502504 |
7 | 516051211 |
oct | 163654310 |
9 | 63122154 |
10 | 30365896 |
11 | 16160390 |
12 | a204a34 |
13 | 63a26b2 |
14 | 4066408 |
15 | 29ec481 |
hex | 1cf58c8 |
30365896 has 16 divisors (see below), whose sum is σ = 62112240. Its totient is φ = 13802640.
The previous prime is 30365891. The next prime is 30365897. The reversal of 30365896 is 69856303.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30365891) by changing a digit.
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, 172446 + ... + 172621.
It is an arithmetic number, because the mean of its divisors is an integer number (3882015).
Almost surely, 230365896 is an apocalyptic number.
30365896 is the 2946-th centered heptagonal number.
It is an amenable number.
30365896 is an abundant number, since it is smaller than the sum of its proper divisors (31746344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30365896 is a wasteful number, since it uses less digits than its factorization.
30365896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345084 (or 345080 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 40.
The square root of 30365896 is about 5510.5259277133. The cubic root of 30365896 is about 311.9813981897.
The spelling of 30365896 in words is "thirty million, three hundred sixty-five thousand, eight hundred ninety-six".
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