Base | Representation |
---|---|
bin | 111001011100… |
… | …1100000100001 |
3 | 2002200020211102 |
4 | 1302321200201 |
5 | 30202314334 |
6 | 2553324145 |
7 | 514005215 |
oct | 162714041 |
9 | 62606742 |
10 | 30119969 |
11 | 16002640 |
12 | a106655 |
13 | 6317789 |
14 | 4000945 |
15 | 299e67e |
hex | 1cb9821 |
30119969 has 4 divisors (see below), whose sum is σ = 32858160. Its totient is φ = 27381780.
The previous prime is 30119963. The next prime is 30119989. The reversal of 30119969 is 96991103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30119969 - 212 = 30115873 is a prime.
It is a super-2 number, since 2×301199692 = 1814425065121922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30119963) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369079 + ... + 1369100.
It is an arithmetic number, because the mean of its divisors is an integer number (8214540).
Almost surely, 230119969 is an apocalyptic number.
It is an amenable number.
30119969 is a deficient number, since it is larger than the sum of its proper divisors (2738191).
30119969 is a wasteful number, since it uses less digits than its factorization.
30119969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2738190.
The product of its (nonzero) digits is 13122, while the sum is 38.
The square root of 30119969 is about 5488.1662693472. The cubic root of 30119969 is about 311.1368903478.
The spelling of 30119969 in words is "thirty million, one hundred nineteen thousand, nine hundred sixty-nine".
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