Base | Representation |
---|---|
bin | 110000001010… |
… | …0100011110100 |
3 | 1202111211112112 |
4 | 1200110203310 |
5 | 22431000121 |
6 | 2301110152 |
7 | 424423160 |
oct | 140244364 |
9 | 52454475 |
10 | 25250036 |
11 | 132867a9 |
12 | 8558358 |
13 | 5300c66 |
14 | 34d3ca0 |
15 | 233b75b |
hex | 18148f4 |
25250036 has 12 divisors (see below), whose sum is σ = 50500128. Its totient is φ = 10821432.
The previous prime is 25250033. The next prime is 25250047. The reversal of 25250036 is 63005252.
It is a happy number.
25250036 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 25249993 and 25250020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25250033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450866 + ... + 450921.
It is an arithmetic number, because the mean of its divisors is an integer number (4208344).
Almost surely, 225250036 is an apocalyptic number.
It is an amenable number.
25250036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25250036 is a wasteful number, since it uses less digits than its factorization.
25250036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 901798 (or 901796 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 25250036 is about 5024.9413926931. The cubic root of 25250036 is about 293.3733548470.
Adding to 25250036 its reverse (63005252), we get a palindrome (88255288).
The spelling of 25250036 in words is "twenty-five million, two hundred fifty thousand, thirty-six".
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