Base | Representation |
---|---|
bin | 111010000011… |
… | …0011010011011 |
3 | 2010021020221011 |
4 | 1310012122123 |
5 | 30242404341 |
6 | 3004154351 |
7 | 516456460 |
oct | 164063233 |
9 | 63236834 |
10 | 30434971 |
11 | 161a8276 |
12 | a2389b7 |
13 | 63c7c78 |
14 | 4083667 |
15 | 2a12b81 |
hex | 1d0669b |
30434971 has 8 divisors (see below), whose sum is σ = 34875360. Its totient is φ = 26017728.
The previous prime is 30434959. The next prime is 30435001. The reversal of 30434971 is 17943403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30434971 - 27 = 30434843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30404971) 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, 2866 + ... + 8311.
It is an arithmetic number, because the mean of its divisors is an integer number (4359420).
Almost surely, 230434971 is an apocalyptic number.
30434971 is a deficient number, since it is larger than the sum of its proper divisors (4440389).
30434971 is a wasteful number, since it uses less digits than its factorization.
30434971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11573.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 30434971 is about 5516.7899180592. The cubic root of 30434971 is about 312.2177795486.
The spelling of 30434971 in words is "thirty million, four hundred thirty-four thousand, nine hundred seventy-one".
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