Base | Representation |
---|---|
bin | 111001101100… |
… | …1010010110101 |
3 | 2002220212102111 |
4 | 1303121102311 |
5 | 30221001130 |
6 | 3000211021 |
7 | 515056621 |
oct | 163312265 |
9 | 62825374 |
10 | 30250165 |
11 | 16091440 |
12 | a169a71 |
13 | 6361b0a |
14 | 4036181 |
15 | 29c802a |
hex | 1cd94b5 |
30250165 has 16 divisors (see below), whose sum is σ = 40196160. Its totient is φ = 21669120.
The previous prime is 30250163. The next prime is 30250183. The reversal of 30250165 is 56105203.
It is a happy number.
It is not a de Polignac number, because 30250165 - 21 = 30250163 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420 + ... + 7789.
It is an arithmetic number, because the mean of its divisors is an integer number (2512260).
Almost surely, 230250165 is an apocalyptic number.
It is an amenable number.
30250165 is a deficient number, since it is larger than the sum of its proper divisors (9945995).
30250165 is a wasteful number, since it uses less digits than its factorization.
30250165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8292.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 30250165 is about 5500.0149999795. The cubic root of 30250165 is about 311.5845507338.
Adding to 30250165 its reverse (56105203), we get a palindrome (86355368).
The spelling of 30250165 in words is "thirty million, two hundred fifty thousand, one hundred sixty-five".
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