Base | Representation |
---|---|
bin | 111001011010… |
… | …0101011110001 |
3 | 2002122020201120 |
4 | 1302310223301 |
5 | 30201201314 |
6 | 2553052453 |
7 | 513563466 |
oct | 162645361 |
9 | 62566646 |
10 | 30100209 |
11 | 15a99807 |
12 | a0b7129 |
13 | 630b799 |
14 | 3dd766d |
15 | 29988a9 |
hex | 1cb4af1 |
30100209 has 8 divisors (see below), whose sum is σ = 40190880. Its totient is φ = 20038176.
The previous prime is 30100201. The next prime is 30100223. The reversal of 30100209 is 90200103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30100209 - 23 = 30100201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30100201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4572 + ... + 9005.
It is an arithmetic number, because the mean of its divisors is an integer number (5023860).
Almost surely, 230100209 is an apocalyptic number.
It is an amenable number.
30100209 is a deficient number, since it is larger than the sum of its proper divisors (10090671).
30100209 is a wasteful number, since it uses less digits than its factorization.
30100209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14319.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 30100209 is about 5486.3657369884. The cubic root of 30100209 is about 311.0688357192.
The spelling of 30100209 in words is "thirty million, one hundred thousand, two hundred nine".
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