Base | Representation |
---|---|
bin | 111010001000… |
… | …0000001000101 |
3 | 2010100020220010 |
4 | 1310100001011 |
5 | 30300134214 |
6 | 3005100433 |
7 | 520012245 |
oct | 164200105 |
9 | 63306803 |
10 | 30474309 |
11 | 16224888 |
12 | a257719 |
13 | 640cb48 |
14 | 4093b25 |
15 | 2a1e659 |
hex | 1d10045 |
30474309 has 8 divisors (see below), whose sum is σ = 42771040. Its totient is φ = 19246896.
The previous prime is 30474307. The next prime is 30474313. The reversal of 30474309 is 90347403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30474309 - 21 = 30474307 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 (30474307) 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, 267262 + ... + 267375.
It is an arithmetic number, because the mean of its divisors is an integer number (5346380).
Almost surely, 230474309 is an apocalyptic number.
It is an amenable number.
30474309 is a deficient number, since it is larger than the sum of its proper divisors (12296731).
30474309 is a wasteful number, since it uses less digits than its factorization.
30474309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534659.
The product of its (nonzero) digits is 9072, while the sum is 30.
The square root of 30474309 is about 5520.3540647317. The cubic root of 30474309 is about 312.3522381970.
The spelling of 30474309 in words is "thirty million, four hundred seventy-four thousand, three hundred nine".
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