Base | Representation |
---|---|
bin | 111010001010… |
… | …0101011110001 |
3 | 2010101020010010 |
4 | 1310110223301 |
5 | 30301242200 |
6 | 3005325133 |
7 | 520122054 |
oct | 164245361 |
9 | 63336103 |
10 | 30493425 |
11 | 16238186 |
12 | a2667a9 |
13 | 6418761 |
14 | 409aa9b |
15 | 2a25150 |
hex | 1d14af1 |
30493425 has 12 divisors (see below), whose sum is σ = 50415920. Its totient is φ = 16263120.
The previous prime is 30493373. The next prime is 30493457. The reversal of 30493425 is 52439403.
It is not a de Polignac number, because 30493425 - 216 = 30427889 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30493392 and 30493401.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203215 + ... + 203364.
Almost surely, 230493425 is an apocalyptic number.
It is an amenable number.
30493425 is a deficient number, since it is larger than the sum of its proper divisors (19922495).
30493425 is a wasteful number, since it uses less digits than its factorization.
30493425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406592 (or 406587 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 30.
The square root of 30493425 is about 5522.0852039787. The cubic root of 30493425 is about 312.4175355740.
The spelling of 30493425 in words is "thirty million, four hundred ninety-three thousand, four hundred twenty-five".
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