Base | Representation |
---|---|
bin | 110100010110… |
… | …110101100110 |
3 | 221211022012110 |
4 | 310112311212 |
5 | 12003200110 |
6 | 1210101450 |
7 | 224442444 |
oct | 64266546 |
9 | 27738173 |
10 | 13725030 |
11 | 7824900 |
12 | 471a886 |
13 | 2ac7227 |
14 | 1b73b94 |
15 | 1311a20 |
hex | d16d66 |
13725030 has 96 divisors (see below), whose sum is σ = 38304000. Its totient is φ = 3136320.
The previous prime is 13725013. The next prime is 13725031. The reversal of 13725030 is 3052731.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13724988 and 13725006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13725031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68871 + ... + 69069.
It is an arithmetic number, because the mean of its divisors is an integer number (399000).
Almost surely, 213725030 is an apocalyptic number.
13725030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13725030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152000).
13725030 is an abundant number, since it is smaller than the sum of its proper divisors (24578970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13725030 is a wasteful number, since it uses less digits than its factorization.
13725030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250 (or 239 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 13725030 is about 3704.7307594480. The cubic root of 13725030 is about 239.4258846712.
Adding to 13725030 its reverse (3052731), we get a palindrome (16777761).
The spelling of 13725030 in words is "thirteen million, seven hundred twenty-five thousand, thirty".
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