Base | Representation |
---|---|
bin | 111001110011… |
… | …0011010000101 |
3 | 2010000121002211 |
4 | 1303212122011 |
5 | 30224211002 |
6 | 3001303421 |
7 | 515402332 |
oct | 163463205 |
9 | 63017084 |
10 | 30303877 |
11 | 1611882a |
12 | a194b71 |
13 | 63803b6 |
14 | 404b989 |
15 | 29d8dd7 |
hex | 1ce6685 |
30303877 has 8 divisors (see below), whose sum is σ = 32448600. Its totient is φ = 28199424.
The previous prime is 30303829. The next prime is 30303893. The reversal of 30303877 is 77830303.
It can be written as a sum of positive squares in 4 ways, for example, as 1852321 + 28451556 = 1361^2 + 5334^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30303877 is a prime.
It is a super-2 number, since 2×303038772 = 1836649922462258, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30303817) 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 in 7 ways as a sum of consecutive naturals, for example, 8502 + ... + 11527.
It is an arithmetic number, because the mean of its divisors is an integer number (4056075).
Almost surely, 230303877 is an apocalyptic number.
It is an amenable number.
30303877 is a deficient number, since it is larger than the sum of its proper divisors (2144723).
30303877 is a wasteful number, since it uses less digits than its factorization.
30303877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20135.
The product of its (nonzero) digits is 10584, while the sum is 31.
The square root of 30303877 is about 5504.8957301660. The cubic root of 30303877 is about 311.7688575390.
The spelling of 30303877 in words is "thirty million, three hundred three thousand, eight hundred seventy-seven".
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