Base | Representation |
---|---|
bin | 111001101100… |
… | …1010001111001 |
3 | 2002220212100021 |
4 | 1303121101321 |
5 | 30221000410 |
6 | 3000210441 |
7 | 515056504 |
oct | 163312171 |
9 | 62825307 |
10 | 30250105 |
11 | 16091396 |
12 | a169a21 |
13 | 6361a92 |
14 | 403613b |
15 | 29c7eda |
hex | 1cd9479 |
30250105 has 16 divisors (see below), whose sum is σ = 37082880. Its totient is φ = 23683968.
The previous prime is 30250081. The next prime is 30250111. The reversal of 30250105 is 50105203.
It is a cyclic number.
It is not a de Polignac number, because 30250105 - 215 = 30217337 is a prime.
It is a super-2 number, since 2×302501052 = 1830137705022050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65104 + ... + 65566.
It is an arithmetic number, because the mean of its divisors is an integer number (2317680).
Almost surely, 230250105 is an apocalyptic number.
It is an amenable number.
30250105 is a deficient number, since it is larger than the sum of its proper divisors (6832775).
30250105 is a wasteful number, since it uses less digits than its factorization.
30250105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 30250105 is about 5500.0095454463. The cubic root of 30250105 is about 311.5843447285.
Adding to 30250105 its reverse (50105203), we get a palindrome (80355308).
The spelling of 30250105 in words is "thirty million, two hundred fifty thousand, one hundred five".
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