Base | Representation |
---|---|
bin | 111010010111… |
… | …1111000011001 |
3 | 2010120212221001 |
4 | 1310233320121 |
5 | 30313323300 |
6 | 3011545001 |
7 | 521064616 |
oct | 164577031 |
9 | 63525831 |
10 | 30604825 |
11 | 16303949 |
12 | a2bb161 |
13 | 6457384 |
14 | 40c950d |
15 | 2a4816a |
hex | 1d2fe19 |
30604825 has 6 divisors (see below), whose sum is σ = 37950014. Its totient is φ = 24483840.
The previous prime is 30604817. The next prime is 30604829. The reversal of 30604825 is 52840603.
It can be written as a sum of positive squares in 3 ways, for example, as 1054729 + 29550096 = 1027^2 + 5436^2 .
It is not a de Polignac number, because 30604825 - 23 = 30604817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30604793 and 30604802.
It is not an unprimeable number, because it can be changed into a prime (30604829) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612072 + ... + 612121.
Almost surely, 230604825 is an apocalyptic number.
It is an amenable number.
30604825 is a deficient number, since it is larger than the sum of its proper divisors (7345189).
30604825 is a wasteful number, since it uses less digits than its factorization.
30604825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1224203 (or 1224198 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 30604825 is about 5532.1627777931. The cubic root of 30604825 is about 312.7975193200.
The spelling of 30604825 in words is "thirty million, six hundred four thousand, eight hundred twenty-five".
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