Base | Representation |
---|---|
bin | 111001011000… |
… | …0010010011110 |
3 | 2002121100000210 |
4 | 1302300102132 |
5 | 30200112311 |
6 | 2552433250 |
7 | 513460140 |
oct | 162602236 |
9 | 62540023 |
10 | 30082206 |
11 | 15a87230 |
12 | a0a8826 |
13 | 630352b |
14 | 3dd0c90 |
15 | 29933a6 |
hex | 1cb049e |
30082206 has 128 divisors (see below), whose sum is σ = 82944000. Its totient is φ = 7032960.
The previous prime is 30082201. The next prime is 30082207. The reversal of 30082206 is 60228003.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30082201) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201820 + ... + 201968.
It is an arithmetic number, because the mean of its divisors is an integer number (648000).
Almost surely, 230082206 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30082206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41472000).
30082206 is an abundant number, since it is smaller than the sum of its proper divisors (52861794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30082206 is a wasteful number, since it uses less digits than its factorization.
30082206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 30082206 is about 5484.7247879907. The cubic root of 30082206 is about 311.0068063701.
The spelling of 30082206 in words is "thirty million, eighty-two thousand, two hundred six".
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