Base | Representation |
---|---|
bin | 100101010010000… |
… | …010011100111001 |
3 | 1121120221221222021 |
4 | 211102002130321 |
5 | 2240111020000 |
6 | 142022154441 |
7 | 21333353152 |
oct | 4522023471 |
9 | 1546857867 |
10 | 625485625 |
11 | 2a1085676 |
12 | 155582a21 |
13 | 9c77cb4b |
14 | 5d0dc929 |
15 | 39da411a |
hex | 25482739 |
625485625 has 10 divisors (see below), whose sum is σ = 781607618. Its totient is φ = 500388000.
The previous prime is 625485617. The next prime is 625485649. The reversal of 625485625 is 526584526.
It can be written as a sum of positive squares in 5 ways, for example, as 133888041 + 491597584 = 11571^2 + 22172^2 .
It is not a de Polignac number, because 625485625 - 23 = 625485617 is a prime.
It is a Duffinian number.
625485625 is a modest number, since divided by 485625 gives 625 as remainder.
It is a congruent number.
It is an unprimeable number.
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 9 ways as a sum of consecutive naturals, for example, 499764 + ... + 501013.
Almost surely, 2625485625 is an apocalyptic number.
It is an amenable number.
625485625 is a deficient number, since it is larger than the sum of its proper divisors (156121993).
625485625 is an equidigital number, since it uses as much as digits as its factorization.
625485625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000797 (or 1000782 counting only the distinct ones).
The product of its digits is 576000, while the sum is 43.
The square root of 625485625 is about 25009.7106140795. The cubic root of 625485625 is about 855.2093578947.
The spelling of 625485625 in words is "six hundred twenty-five million, four hundred eighty-five thousand, six hundred twenty-five".
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