Base | Representation |
---|---|
bin | 110001010011… |
… | …1000010101110 |
3 | 1210122022120112 |
4 | 1202213002232 |
5 | 23104200110 |
6 | 2322020022 |
7 | 432502343 |
oct | 142470256 |
9 | 53568515 |
10 | 25850030 |
11 | 13656568 |
12 | 87a7612 |
13 | 548109b |
14 | 360c7ca |
15 | 2409405 |
hex | 18a70ae |
25850030 has 32 divisors (see below), whose sum is σ = 49965984. Its totient is φ = 9593856.
The previous prime is 25850029. The next prime is 25850039. The reversal of 25850030 is 3005852.
It is a junction number, because it is equal to n+sod(n) for n = 25849978 and 25850005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25850039) 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, 11369 + ... + 13451.
It is an arithmetic number, because the mean of its divisors is an integer number (1561437).
Almost surely, 225850030 is an apocalyptic number.
25850030 is a deficient number, since it is larger than the sum of its proper divisors (24115954).
25850030 is a wasteful number, since it uses less digits than its factorization.
25850030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2180.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 25850030 is about 5084.2924778183. The cubic root of 25850030 is about 295.6789113181.
Adding to 25850030 its reverse (3005852), we get a palindrome (28855882).
The spelling of 25850030 in words is "twenty-five million, eight hundred fifty thousand, thirty".
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