Base | Representation |
---|---|
bin | 111010001011… |
… | …1011011010101 |
3 | 2010101210112021 |
4 | 1310113123111 |
5 | 30302122121 |
6 | 3005453141 |
7 | 520166605 |
oct | 164273325 |
9 | 63353467 |
10 | 30504661 |
11 | 16245670 |
12 | a2711b1 |
13 | 64208c5 |
14 | 40a0c05 |
15 | 2a28641 |
hex | 1d176d5 |
30504661 has 8 divisors (see below), whose sum is σ = 33652800. Its totient is φ = 27419040.
The previous prime is 30504641. The next prime is 30504703. The reversal of 30504661 is 16640503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30504661 - 217 = 30373589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30504641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14601 + ... + 16558.
It is an arithmetic number, because the mean of its divisors is an integer number (4206600).
Almost surely, 230504661 is an apocalyptic number.
It is an amenable number.
30504661 is a deficient number, since it is larger than the sum of its proper divisors (3148139).
30504661 is a wasteful number, since it uses less digits than its factorization.
30504661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31259.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 30504661 is about 5523.1024795852. The cubic root of 30504661 is about 312.4559033245.
The spelling of 30504661 in words is "thirty million, five hundred four thousand, six hundred sixty-one".
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