Base | Representation |
---|---|
bin | 111001110010… |
… | …0000101101010 |
3 | 2010000010002000 |
4 | 1303210011222 |
5 | 30223410003 |
6 | 3001151430 |
7 | 515332542 |
oct | 163440552 |
9 | 63003060 |
10 | 30294378 |
11 | 16111684 |
12 | a18b576 |
13 | 6378c8a |
14 | 4048322 |
15 | 29d61a3 |
hex | 1ce416a |
30294378 has 32 divisors (see below), whose sum is σ = 69496320. Its totient is φ = 9771840.
The previous prime is 30294373. The next prime is 30294401. The reversal of 30294378 is 87349203.
It is not an unprimeable number, because it can be changed into a prime (30294373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7375 + ... + 10722.
It is an arithmetic number, because the mean of its divisors is an integer number (2171760).
Almost surely, 230294378 is an apocalyptic number.
30294378 is an abundant number, since it is smaller than the sum of its proper divisors (39201942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30294378 is a wasteful number, since it uses less digits than its factorization.
30294378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18139 (or 18133 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 30294378 is about 5504.0328850762. The cubic root of 30294378 is about 311.7362786288.
The spelling of 30294378 in words is "thirty million, two hundred ninety-four thousand, three hundred seventy-eight".
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