Base | Representation |
---|---|
bin | 111001100101… |
… | …1100101101001 |
3 | 2002211000102020 |
4 | 1303023211221 |
5 | 30212202100 |
6 | 2555055053 |
7 | 514434141 |
oct | 163134551 |
9 | 62730366 |
10 | 30194025 |
11 | 16053244 |
12 | a141489 |
13 | 63423b4 |
14 | 401d921 |
15 | 29b65a0 |
hex | 1ccb969 |
30194025 has 12 divisors (see below), whose sum is σ = 49920912. Its totient is φ = 16103440.
The previous prime is 30193987. The next prime is 30194027. The reversal of 30194025 is 52049103.
It is not a de Polignac number, because 30194025 - 210 = 30193001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30193986 and 30194004.
It is not an unprimeable number, because it can be changed into a prime (30194027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201219 + ... + 201368.
It is an arithmetic number, because the mean of its divisors is an integer number (4160076).
Almost surely, 230194025 is an apocalyptic number.
It is an amenable number.
30194025 is a deficient number, since it is larger than the sum of its proper divisors (19726887).
30194025 is a wasteful number, since it uses less digits than its factorization.
30194025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402600 (or 402595 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 30194025 is about 5494.9090074359. The cubic root of 30194025 is about 311.3916791802.
The spelling of 30194025 in words is "thirty million, one hundred ninety-four thousand, twenty-five".
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