Base | Representation |
---|---|
bin | 111011000000… |
… | …0010000001001 |
3 | 2011012121111122 |
4 | 1312000100021 |
5 | 30404342100 |
6 | 3023005025 |
7 | 523635443 |
oct | 166002011 |
9 | 64177448 |
10 | 30934025 |
11 | 16509211 |
12 | a439775 |
13 | 6541175 |
14 | 4173493 |
15 | 2ab0985 |
hex | 1d80409 |
30934025 has 12 divisors (see below), whose sum is σ = 38664192. Its totient is φ = 24549840.
The previous prime is 30934003. The next prime is 30934031. The reversal of 30934025 is 52043903.
It is not a de Polignac number, because 30934025 - 28 = 30933769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30933985 and 30934003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1697 + ... + 8046.
It is an arithmetic number, because the mean of its divisors is an integer number (3222016).
Almost surely, 230934025 is an apocalyptic number.
It is an amenable number.
30934025 is a deficient number, since it is larger than the sum of its proper divisors (7730167).
30934025 is a wasteful number, since it uses less digits than its factorization.
30934025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9880 (or 9875 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 30934025 is about 5561.8364772798. The cubic root of 30934025 is about 313.9150547129.
Adding to 30934025 its reverse (52043903), we get a palindrome (82977928).
The spelling of 30934025 in words is "thirty million, nine hundred thirty-four thousand, twenty-five".
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