Base | Representation |
---|---|
bin | 111010110011… |
… | …0001100001000 |
3 | 2011000012001211 |
4 | 1311212030020 |
5 | 30342433042 |
6 | 3020422504 |
7 | 523012300 |
oct | 165461410 |
9 | 64005054 |
10 | 30827272 |
11 | 16445a93 |
12 | a3a7a34 |
13 | 65046b8 |
14 | 4146600 |
15 | 2a8e017 |
hex | 1d66308 |
30827272 has 48 divisors (see below), whose sum is σ = 70794000. Its totient is φ = 12513312.
The previous prime is 30827267. The next prime is 30827309. The reversal of 30827272 is 27272803.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5379 + ... + 9517.
It is an arithmetic number, because the mean of its divisors is an integer number (1474875).
Almost surely, 230827272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30827272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35397000).
30827272 is an abundant number, since it is smaller than the sum of its proper divisors (39966728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30827272 is a wasteful number, since it uses less digits than its factorization.
30827272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4178 (or 4167 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 31.
The square root of 30827272 is about 5552.2312631950. The cubic root of 30827272 is about 313.5535326559.
The spelling of 30827272 in words is "thirty million, eight hundred twenty-seven thousand, two hundred seventy-two".
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