Base | Representation |
---|---|
bin | 111010000001… |
… | …1110011010110 |
3 | 2010020201021010 |
4 | 1310003303112 |
5 | 30242034103 |
6 | 3004033050 |
7 | 516413343 |
oct | 164036326 |
9 | 63221233 |
10 | 30424278 |
11 | 161a0235 |
12 | a232786 |
13 | 63c3141 |
14 | 407d7ca |
15 | 2a0e903 |
hex | 1d03cd6 |
30424278 has 16 divisors (see below), whose sum is σ = 60903360. Its totient is φ = 10132296.
The previous prime is 30424259. The next prime is 30424297. The reversal of 30424278 is 87242403.
It is an interprime number because it is at equal distance from previous prime (30424259) and next prime (30424297).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 10113 + ... + 12771.
It is an arithmetic number, because the mean of its divisors is an integer number (3806460).
Almost surely, 230424278 is an apocalyptic number.
30424278 is an abundant number, since it is smaller than the sum of its proper divisors (30479082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30424278 is a wasteful number, since it uses less digits than its factorization.
30424278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4571.
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 30424278 is about 5515.8207004942. The cubic root of 30424278 is about 312.1812104783.
The spelling of 30424278 in words is "thirty million, four hundred twenty-four thousand, two hundred seventy-eight".
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