Base | Representation |
---|---|
bin | 111010000000… |
… | …1001000010101 |
3 | 2010020011020202 |
4 | 1310001020111 |
5 | 30241211313 |
6 | 3003510245 |
7 | 516336416 |
oct | 164011025 |
9 | 63204222 |
10 | 30413333 |
11 | 16192a95 |
12 | a228385 |
13 | 63bb172 |
14 | 407980d |
15 | 2a0b558 |
hex | 1d01215 |
30413333 has 4 divisors (see below), whose sum is σ = 30830028. Its totient is φ = 29996640.
The previous prime is 30413303. The next prime is 30413351. The reversal of 30413333 is 33331403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33331403 = 7 ⋅4761629.
It can be written as a sum of positive squares in 2 ways, for example, as 18037009 + 12376324 = 4247^2 + 3518^2 .
It is a cyclic number.
It is not a de Polignac number, because 30413333 - 26 = 30413269 is a prime.
It is a Duffinian number.
30413333 is a modest number, since divided by 3333 gives 3041 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30413303) 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, 208238 + ... + 208383.
It is an arithmetic number, because the mean of its divisors is an integer number (7707507).
Almost surely, 230413333 is an apocalyptic number.
It is an amenable number.
30413333 is a deficient number, since it is larger than the sum of its proper divisors (416695).
30413333 is an equidigital number, since it uses as much as digits as its factorization.
30413333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416694.
The product of its (nonzero) digits is 972, while the sum is 20.
The square root of 30413333 is about 5514.8284651474. The cubic root of 30413333 is about 312.1437707165.
Adding to 30413333 its reverse (33331403), we get a palindrome (63744736).
The spelling of 30413333 in words is "thirty million, four hundred thirteen thousand, three hundred thirty-three".
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