Base | Representation |
---|---|
bin | 111010110100… |
… | …0011001000000 |
3 | 2011000122102202 |
4 | 1311220121000 |
5 | 30343230123 |
6 | 3020532332 |
7 | 523050500 |
oct | 165503100 |
9 | 64018382 |
10 | 30836288 |
11 | 1645183a |
12 | a3b10a8 |
13 | 6508832 |
14 | 4149a00 |
15 | 2a91a28 |
hex | 1d68640 |
30836288 has 42 divisors (see below), whose sum is σ = 71188326. Its totient is φ = 13214208.
The previous prime is 30836287. The next prime is 30836303. The reversal of 30836288 is 88263803.
It can be written as a sum of positive squares in only one way, i.e., 26543104 + 4293184 = 5152^2 + 2072^2 .
It is not an unprimeable number, because it can be changed into a prime (30836287) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1781 + ... + 8052.
Almost surely, 230836288 is an apocalyptic number.
It is an amenable number.
30836288 is an abundant number, since it is smaller than the sum of its proper divisors (40352038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30836288 is an equidigital number, since it uses as much as digits as its factorization.
30836288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9859 (or 9842 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 30836288 is about 5553.0431296722. The cubic root of 30836288 is about 313.5840978331.
The spelling of 30836288 in words is "thirty million, eight hundred thirty-six thousand, two hundred eighty-eight".
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