Base | Representation |
---|---|
bin | 111010111000… |
… | …0011100010110 |
3 | 2011002022200022 |
4 | 1311300130112 |
5 | 30400304040 |
6 | 3021345142 |
7 | 523245605 |
oct | 165603426 |
9 | 64068608 |
10 | 30869270 |
11 | 164745a3 |
12 | a4081b2 |
13 | 651a853 |
14 | 4157a3c |
15 | 2a9b6b5 |
hex | 1d70716 |
30869270 has 16 divisors (see below), whose sum is σ = 56857680. Its totient is φ = 12060384.
The previous prime is 30869257. The next prime is 30869287. The reversal of 30869270 is 7296803.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30869270.
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, 35465 + ... + 36324.
It is an arithmetic number, because the mean of its divisors is an integer number (3553605).
Almost surely, 230869270 is an apocalyptic number.
30869270 is a deficient number, since it is larger than the sum of its proper divisors (25988410).
30869270 is a wasteful number, since it uses less digits than its factorization.
30869270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71839.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 30869270 is about 5556.0120590222. The cubic root of 30869270 is about 313.6958595067.
The spelling of 30869270 in words is "thirty million, eight hundred sixty-nine thousand, two hundred seventy".
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