Base | Representation |
---|---|
bin | 111010110101… |
… | …1011001110001 |
3 | 2011001021100200 |
4 | 1311223121301 |
5 | 30344124000 |
6 | 3021105413 |
7 | 523131453 |
oct | 165533161 |
9 | 64037320 |
10 | 30848625 |
11 | 16460035 |
12 | a3b8269 |
13 | 6511332 |
14 | 41502d3 |
15 | 2a95500 |
hex | 1d6b671 |
30848625 has 48 divisors (see below), whose sum is σ = 58917456. Its totient is φ = 15475200.
The previous prime is 30848621. The next prime is 30848633. The reversal of 30848625 is 52684803.
It can be written as a sum of positive squares in 8 ways, for example, as 4562496 + 26286129 = 2136^2 + 5127^2 .
It is not a de Polignac number, because 30848625 - 22 = 30848621 is a prime.
It is a super-3 number, since 3×308486253 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30848625.
It is not an unprimeable number, because it can be changed into a prime (30848621) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18319 + ... + 19931.
It is an arithmetic number, because the mean of its divisors is an integer number (1227447).
Almost surely, 230848625 is an apocalyptic number.
It is an amenable number.
30848625 is a deficient number, since it is larger than the sum of its proper divisors (28068831).
30848625 is a wasteful number, since it uses less digits than its factorization.
30848625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1651 (or 1638 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 30848625 is about 5554.1538509480. The cubic root of 30848625 is about 313.6259118932.
The spelling of 30848625 in words is "thirty million, eight hundred forty-eight thousand, six hundred twenty-five".
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