Base | Representation |
---|---|
bin | 111001011010… |
… | …1011110000001 |
3 | 2002122102010200 |
4 | 1302311132001 |
5 | 30201302200 |
6 | 2553115413 |
7 | 513606042 |
oct | 162653601 |
9 | 62572120 |
10 | 30103425 |
11 | 15aa1170 |
12 | a0b8b69 |
13 | 63100a1 |
14 | 3dd88c9 |
15 | 2999800 |
hex | 1cb5781 |
30103425 has 36 divisors (see below), whose sum is σ = 58825104. Its totient is φ = 14594400.
The previous prime is 30103399. The next prime is 30103427. The reversal of 30103425 is 52430103.
It is not a de Polignac number, because 30103425 - 28 = 30103169 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30103398 and 30103407.
It is not an unprimeable number, because it can be changed into a prime (30103427) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 3607 + ... + 8556.
Almost surely, 230103425 is an apocalyptic number.
It is an amenable number.
30103425 is a deficient number, since it is larger than the sum of its proper divisors (28721679).
30103425 is a wasteful number, since it uses less digits than its factorization.
30103425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12190 (or 12182 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30103425 is about 5486.6588193545. The cubic root of 30103425 is about 311.0799138455.
Adding to 30103425 its reverse (52430103), we get a palindrome (82533528).
The spelling of 30103425 in words is "thirty million, one hundred three thousand, four hundred twenty-five".
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