Base | Representation |
---|---|
bin | 111001100010… |
… | …1110010101101 |
3 | 2002202210211222 |
4 | 1303011302231 |
5 | 30210422120 |
6 | 2554353125 |
7 | 514305005 |
oct | 163056255 |
9 | 62683758 |
10 | 30170285 |
11 | 16037422 |
12 | a12b7a5 |
13 | 6334652 |
14 | 4015005 |
15 | 29ae525 |
hex | 1cc5cad |
30170285 has 8 divisors (see below), whose sum is σ = 37372416. Its totient is φ = 23357520.
The previous prime is 30170269. The next prime is 30170293. The reversal of 30170285 is 58207103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30170285 - 24 = 30170269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97169 + ... + 97478.
It is an arithmetic number, because the mean of its divisors is an integer number (4671552).
Almost surely, 230170285 is an apocalyptic number.
It is an amenable number.
30170285 is a deficient number, since it is larger than the sum of its proper divisors (7202131).
30170285 is a wasteful number, since it uses less digits than its factorization.
30170285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194683.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 30170285 is about 5492.7484013015. The cubic root of 30170285 is about 311.3100473923.
Adding to 30170285 its reverse (58207103), we get a palindrome (88377388).
The spelling of 30170285 in words is "thirty million, one hundred seventy thousand, two hundred eighty-five".
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