Base | Representation |
---|---|
bin | 111010100011… |
… | …1111011110011 |
3 | 2010202220002000 |
4 | 1311013323303 |
5 | 30330001342 |
6 | 3014025043 |
7 | 521655063 |
oct | 165077363 |
9 | 63686060 |
10 | 30703347 |
11 | 16370974 |
12 | a348183 |
13 | 649017c |
14 | 41133a3 |
15 | 2a6744c |
hex | 1d47ef3 |
30703347 has 8 divisors (see below), whose sum is σ = 45486480. Its totient is φ = 20468880.
The previous prime is 30703327. The next prime is 30703349. The reversal of 30703347 is 74330703.
It is not a de Polignac number, because 30703347 - 216 = 30637811 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1137161 = 30703347 / (3 + 0 + 7 + 0 + 3 + 3 + 4 + 7).
It is a self number, because there is not a number n which added to its sum of digits gives 30703347.
It is not an unprimeable number, because it can be changed into a prime (30703349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568554 + ... + 568607.
It is an arithmetic number, because the mean of its divisors is an integer number (5685810).
Almost surely, 230703347 is an apocalyptic number.
30703347 is a deficient number, since it is larger than the sum of its proper divisors (14783133).
30703347 is a wasteful number, since it uses less digits than its factorization.
30703347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1137170 (or 1137164 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 27.
The square root of 30703347 is about 5541.0600971294. The cubic root of 30703347 is about 313.1328087981.
The spelling of 30703347 in words is "thirty million, seven hundred three thousand, three hundred forty-seven".
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