Base | Representation |
---|---|
bin | 111010000011… |
… | …1111001000001 |
3 | 2010021120020101 |
4 | 1310013321001 |
5 | 30243103100 |
6 | 3004242401 |
7 | 516513226 |
oct | 164077101 |
9 | 63246211 |
10 | 30441025 |
11 | 1620187a |
12 | a240401 |
13 | 63ca954 |
14 | 408594d |
15 | 2a1486a |
hex | 1d07e41 |
30441025 has 12 divisors (see below), whose sum is σ = 38139052. Its totient is φ = 24099840.
The previous prime is 30441017. The next prime is 30441041. The reversal of 30441025 is 52014403.
It can be written as a sum of positive squares in 6 ways, for example, as 1183744 + 29257281 = 1088^2 + 5409^2 .
It is not a de Polignac number, because 30441025 - 23 = 30441017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30440993 and 30441011.
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, 3852 + ... + 8701.
Almost surely, 230441025 is an apocalyptic number.
It is an amenable number.
30441025 is a deficient number, since it is larger than the sum of its proper divisors (7698027).
30441025 is a wasteful number, since it uses less digits than its factorization.
30441025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12660 (or 12655 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30441025 is about 5517.3385794240. The cubic root of 30441025 is about 312.2384798708.
Adding to 30441025 its reverse (52014403), we get a palindrome (82455428).
The spelling of 30441025 in words is "thirty million, four hundred forty-one thousand, twenty-five".
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