Base | Representation |
---|---|
bin | 111001011010… |
… | …0101100011001 |
3 | 2002122020210001 |
4 | 1302310230121 |
5 | 30201201444 |
6 | 2553053001 |
7 | 513563554 |
oct | 162645431 |
9 | 62566701 |
10 | 30100249 |
11 | 15a99843 |
12 | a0b7161 |
13 | 630b7ca |
14 | 3dd769b |
15 | 29988d4 |
hex | 1cb4b19 |
30100249 has 2 divisors, whose sum is σ = 30100250. Its totient is φ = 30100248.
The previous prime is 30100229. The next prime is 30100283. The reversal of 30100249 is 94200103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25938649 + 4161600 = 5093^2 + 2040^2 .
It is a cyclic number.
It is not a de Polignac number, because 30100249 - 29 = 30099737 is a prime.
It is a super-3 number, since 3×301002493 (a number of 23 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (30100229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050124 + 15050125.
It is an arithmetic number, because the mean of its divisors is an integer number (15050125).
Almost surely, 230100249 is an apocalyptic number.
It is an amenable number.
30100249 is a deficient number, since it is larger than the sum of its proper divisors (1).
30100249 is an equidigital number, since it uses as much as digits as its factorization.
30100249 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 30100249 is about 5486.3693823876. The cubic root of 30100249 is about 311.0689735117.
The spelling of 30100249 in words is "thirty million, one hundred thousand, two hundred forty-nine".
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