Base | Representation |
---|---|
bin | 100100001001001… |
… | …100100101100001 |
3 | 1120021000211120001 |
4 | 210021030211201 |
5 | 2220214000000 |
6 | 140101020001 |
7 | 21012143461 |
oct | 4411144541 |
9 | 1507024501 |
10 | 606390625 |
11 | 291323285 |
12 | 14b0b4601 |
13 | 98825629 |
14 | 5a76bba1 |
15 | 3838146a |
hex | 2424c961 |
606390625 has 21 divisors (see below), whose sum is σ = 761845717. Its totient is φ = 482650000.
The previous prime is 606390619. The next prime is 606390679. The reversal of 606390625 is 526093606.
The square root of 606390625 is 24625.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 10 ways, for example, as 578258209 + 28132416 = 24047^2 + 5304^2 .
It is not a de Polignac number, because 606390625 - 25 = 606390593 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 3078027 + ... + 3078223.
Almost surely, 2606390625 is an apocalyptic number.
606390625 is the 24625-th square number.
606390625 is the 12313-rd centered octagonal number.
It is an amenable number.
606390625 is a deficient number, since it is larger than the sum of its proper divisors (155455092).
606390625 is an frugal number, since it uses more digits than its factorization.
606390625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 37.
The cubic root of 606390625 is about 846.4165751482.
The spelling of 606390625 in words is "six hundred six million, three hundred ninety thousand, six hundred twenty-five".
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