Base | Representation |
---|---|
bin | 10011000101101000000 |
3 | 1011202222122 |
4 | 2120231000 |
5 | 130003342 |
6 | 21223412 |
7 | 5213351 |
oct | 2305500 |
9 | 1152878 |
10 | 625472 |
11 | 397a21 |
12 | 261b68 |
13 | 18b903 |
14 | 123d28 |
15 | c54d2 |
hex | 98b40 |
625472 has 28 divisors (see below), whose sum is σ = 1287780. Its totient is φ = 301056.
The previous prime is 625451. The next prime is 625477. The reversal of 625472 is 274526.
It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 379456 = 496^2 + 616^2 .
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a d-powerful number, because it can be written as 67 + 216 + 45 + 52 + 75 + 218 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (625477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 2024.
2625472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 625472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643890).
625472 is an abundant number, since it is smaller than the sum of its proper divisors (662308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625472 is a wasteful number, since it uses less digits than its factorization.
625472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378 (or 368 counting only the distinct ones).
The product of its digits is 3360, while the sum is 26.
The square root of 625472 is about 790.8678777141. The cubic root of 625472 is about 85.5203148153.
Adding to 625472 its reverse (274526), we get a palindrome (899998).
The spelling of 625472 in words is "six hundred twenty-five thousand, four hundred seventy-two".
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