Base | Representation |
---|---|
bin | 111010000001… |
… | …1111001100110 |
3 | 2010020201210221 |
4 | 1310003321212 |
5 | 30242042203 |
6 | 3004034554 |
7 | 516414454 |
oct | 164037146 |
9 | 63221727 |
10 | 30424678 |
11 | 161a0569 |
12 | a232a5a |
13 | 63c338b |
14 | 407d9d4 |
15 | 2a0eabd |
hex | 1d03e66 |
30424678 has 8 divisors (see below), whose sum is σ = 45696672. Its totient is φ = 15192456.
The previous prime is 30424673. The next prime is 30424727. The reversal of 30424678 is 87642403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×304246782 = 1851322062807368, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30424673) 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, 7950 + ... + 11137.
It is an arithmetic number, because the mean of its divisors is an integer number (5712084).
Almost surely, 230424678 is an apocalyptic number.
30424678 is a deficient number, since it is larger than the sum of its proper divisors (15271994).
30424678 is a wasteful number, since it uses less digits than its factorization.
30424678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19886.
The product of its (nonzero) digits is 32256, while the sum is 34.
The square root of 30424678 is about 5515.8569597117. The cubic root of 30424678 is about 312.1825785955.
The spelling of 30424678 in words is "thirty million, four hundred twenty-four thousand, six hundred seventy-eight".
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