Base | Representation |
---|---|
bin | 111001110001… |
… | …0000010000110 |
3 | 2002222200112011 |
4 | 1303202002012 |
5 | 30223122313 |
6 | 3001044434 |
7 | 515266153 |
oct | 163420206 |
9 | 62880464 |
10 | 30285958 |
11 | 1610631a |
12 | a18671a |
13 | 63751b1 |
14 | 404522a |
15 | 29d393d |
hex | 1ce2086 |
30285958 has 8 divisors (see below), whose sum is σ = 45556560. Its totient is φ = 15100440.
The previous prime is 30285929. The next prime is 30285967. The reversal of 30285958 is 85958203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×302859583 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30285958.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20373 + ... + 21808.
It is an arithmetic number, because the mean of its divisors is an integer number (5694570).
Almost surely, 230285958 is an apocalyptic number.
30285958 is a deficient number, since it is larger than the sum of its proper divisors (15270602).
30285958 is a wasteful number, since it uses less digits than its factorization.
30285958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42542.
The product of its (nonzero) digits is 86400, while the sum is 40.
The square root of 30285958 is about 5503.2679382345. The cubic root of 30285958 is about 311.7073946921.
The spelling of 30285958 in words is "thirty million, two hundred eighty-five thousand, nine hundred fifty-eight".
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