Base | Representation |
---|---|
bin | 111010000111… |
… | …0001100000001 |
3 | 2010022212121122 |
4 | 1310032030001 |
5 | 30244414232 |
6 | 3005002025 |
7 | 516651353 |
oct | 164161401 |
9 | 63285548 |
10 | 30466817 |
11 | 1621a197 |
12 | a253315 |
13 | 6409604 |
14 | 40910d3 |
15 | 2a1c312 |
hex | 1d0e301 |
30466817 has 4 divisors (see below), whose sum is σ = 30668736. Its totient is φ = 30264900.
The previous prime is 30466811. The next prime is 30466853. The reversal of 30466817 is 71866403.
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, and also an emirpimes, since its reverse is a distinct semiprime: 71866403 = 7 ⋅10266629.
It is a cyclic number.
It is not a de Polignac number, because 30466817 - 224 = 13689601 is a prime.
It is a super-2 number, since 2×304668172 = 1856453876222978, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30466811) 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, 100733 + ... + 101034.
It is an arithmetic number, because the mean of its divisors is an integer number (7667184).
Almost surely, 230466817 is an apocalyptic number.
It is an amenable number.
30466817 is a deficient number, since it is larger than the sum of its proper divisors (201919).
30466817 is a wasteful number, since it uses less digits than its factorization.
30466817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201918.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 30466817 is about 5519.6754433572. The cubic root of 30466817 is about 312.3266392051.
The spelling of 30466817 in words is "thirty million, four hundred sixty-six thousand, eight hundred seventeen".
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