Base | Representation |
---|---|
bin | 111001111010… |
… | …0100011110010 |
3 | 2010010112121200 |
4 | 1303310203302 |
5 | 30233034332 |
6 | 3002432030 |
7 | 516033330 |
oct | 163644362 |
9 | 63115550 |
10 | 30361842 |
11 | 16158335 |
12 | a202616 |
13 | 63a08b4 |
14 | 4064b50 |
15 | 29eb17c |
hex | 1cf48f2 |
30361842 has 24 divisors (see below), whose sum is σ = 75182016. Its totient is φ = 8674776.
The previous prime is 30361823. The next prime is 30361871. The reversal of 30361842 is 24816303.
It is a happy number.
30361842 is a `hidden beast` number, since 3 + 0 + 3 + 618 + 42 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120358 + ... + 120609.
It is an arithmetic number, because the mean of its divisors is an integer number (3132584).
Almost surely, 230361842 is an apocalyptic number.
30361842 is an abundant number, since it is smaller than the sum of its proper divisors (44820174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30361842 is a wasteful number, since it uses less digits than its factorization.
30361842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240982 (or 240979 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30361842 is about 5510.1580739576. The cubic root of 30361842 is about 311.9675138760.
The spelling of 30361842 in words is "thirty million, three hundred sixty-one thousand, eight hundred forty-two".
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