Base | Representation |
---|---|
bin | 111001111000… |
… | …0100000010010 |
3 | 2010002200211120 |
4 | 1303300200102 |
5 | 30232021414 |
6 | 3002223110 |
7 | 515634033 |
oct | 163604022 |
9 | 63080746 |
10 | 30345234 |
11 | 16146907 |
12 | a1b4a96 |
13 | 639617a |
14 | 405ca8a |
15 | 29e62a9 |
hex | 1cf0812 |
30345234 has 32 divisors (see below), whose sum is σ = 64419840. Its totient is φ = 9508752.
The previous prime is 30345199. The next prime is 30345269. The reversal of 30345234 is 43254303.
It is an interprime number because it is at equal distance from previous prime (30345199) and next prime (30345269).
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6279 + ... + 10005.
It is an arithmetic number, because the mean of its divisors is an integer number (2013120).
Almost surely, 230345234 is an apocalyptic number.
30345234 is an abundant number, since it is smaller than the sum of its proper divisors (34074606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30345234 is a wasteful number, since it uses less digits than its factorization.
30345234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3814.
The product of its (nonzero) digits is 4320, while the sum is 24.
The square root of 30345234 is about 5508.6508330080. The cubic root of 30345234 is about 311.9106211765.
Adding to 30345234 its reverse (43254303), we get a palindrome (73599537).
The spelling of 30345234 in words is "thirty million, three hundred forty-five thousand, two hundred thirty-four".
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