Base | Representation |
---|---|
bin | 111010010000… |
… | …1101101101001 |
3 | 2010110221022201 |
4 | 1310201231221 |
5 | 30304444133 |
6 | 3010420201 |
7 | 520433464 |
oct | 164415551 |
9 | 63427281 |
10 | 30546793 |
11 | 16274292 |
12 | a291661 |
13 | 6436b34 |
14 | 40b22db |
15 | 2a35d7d |
hex | 1d21b69 |
30546793 has 8 divisors (see below), whose sum is σ = 31445000. Its totient is φ = 29652480.
The previous prime is 30546781. The next prime is 30546809. The reversal of 30546793 is 39764503.
It can be written as a sum of positive squares in 4 ways, for example, as 13638249 + 16908544 = 3693^2 + 4112^2 .
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-30546793 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30546713) 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, 23833 + ... + 25081.
It is an arithmetic number, because the mean of its divisors is an integer number (3930625).
Almost surely, 230546793 is an apocalyptic number.
It is an amenable number.
30546793 is a deficient number, since it is larger than the sum of its proper divisors (898207).
30546793 is a wasteful number, since it uses less digits than its factorization.
30546793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1947.
The product of its (nonzero) digits is 68040, while the sum is 37.
The square root of 30546793 is about 5526.9153241207. The cubic root of 30546793 is about 312.5996883025.
The spelling of 30546793 in words is "thirty million, five hundred forty-six thousand, seven hundred ninety-three".
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