Base | Representation |
---|---|
bin | 111001110010… |
… | …1111110011111 |
3 | 2010000111200102 |
4 | 1303211332133 |
5 | 30224131421 |
6 | 3001251315 |
7 | 515364230 |
oct | 163457637 |
9 | 63014612 |
10 | 30302111 |
11 | 16117474 |
12 | a193b3b |
13 | 637c658 |
14 | 404b087 |
15 | 29d860b |
hex | 1ce5f9f |
30302111 has 4 divisors (see below), whose sum is σ = 34630992. Its totient is φ = 25973232.
The previous prime is 30302101. The next prime is 30302119. The reversal of 30302111 is 11120303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11120303 = 601 ⋅18503.
It is a cyclic number.
It is not a de Polignac number, because 30302111 - 214 = 30285727 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30302092 and 30302101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30302119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164430 + ... + 2164443.
It is an arithmetic number, because the mean of its divisors is an integer number (8657748).
Almost surely, 230302111 is an apocalyptic number.
30302111 is a deficient number, since it is larger than the sum of its proper divisors (4328881).
30302111 is an equidigital number, since it uses as much as digits as its factorization.
30302111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4328880.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 30302111 is about 5504.7353251542. The cubic root of 30302111 is about 311.7628011687.
Adding to 30302111 its reverse (11120303), we get a palindrome (41422414).
The spelling of 30302111 in words is "thirty million, three hundred two thousand, one hundred eleven".
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