Base | Representation |
---|---|
bin | 111001100111… |
… | …1011111010110 |
3 | 2002211211100010 |
4 | 1303033133112 |
5 | 30213210011 |
6 | 2555301050 |
7 | 514531551 |
oct | 163173726 |
9 | 62754303 |
10 | 30210006 |
11 | 16064252 |
12 | a14a786 |
13 | 6349758 |
14 | 4025698 |
15 | 29bb1a6 |
hex | 1ccf7d6 |
30210006 has 32 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 9730080.
The previous prime is 30210001. The next prime is 30210023. The reversal of 30210006 is 60001203.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30209973 and 30210000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30210001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20895 + ... + 22293.
It is an arithmetic number, because the mean of its divisors is an integer number (1953000).
Almost surely, 230210006 is an apocalyptic number.
30210006 is an abundant number, since it is smaller than the sum of its proper divisors (32285994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210006 is a wasteful number, since it uses less digits than its factorization.
30210006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1524.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30210006 is about 5496.3629792800. The cubic root of 30210006 is about 311.4466069651.
Adding to 30210006 its reverse (60001203), we get a palindrome (90211209).
The spelling of 30210006 in words is "thirty million, two hundred ten thousand, six".
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