Base | Representation |
---|---|
bin | 111010100011… |
… | …1111011011101 |
3 | 2010202220001012 |
4 | 1311013323131 |
5 | 30330001300 |
6 | 3014025005 |
7 | 521655032 |
oct | 165077335 |
9 | 63686035 |
10 | 30703325 |
11 | 16370954 |
12 | a348165 |
13 | 6490163 |
14 | 4113389 |
15 | 2a67435 |
hex | 1d47edd |
30703325 has 6 divisors (see below), whose sum is σ = 38072154. Its totient is φ = 24562640.
The previous prime is 30703319. The next prime is 30703327. The reversal of 30703325 is 52330703.
It can be written as a sum of positive squares in 3 ways, for example, as 4866436 + 25836889 = 2206^2 + 5083^2 .
It is not a de Polignac number, because 30703325 - 26 = 30703261 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30703325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30703327) 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 5 ways as a sum of consecutive naturals, for example, 614042 + ... + 614091.
It is an arithmetic number, because the mean of its divisors is an integer number (6345359).
Almost surely, 230703325 is an apocalyptic number.
It is an amenable number.
30703325 is a deficient number, since it is larger than the sum of its proper divisors (7368829).
30703325 is a wasteful number, since it uses less digits than its factorization.
30703325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1228143 (or 1228138 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 23.
The square root of 30703325 is about 5541.0581119494. The cubic root of 30703325 is about 313.1327340079.
The spelling of 30703325 in words is "thirty million, seven hundred three thousand, three hundred twenty-five".
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