Base | Representation |
---|---|
bin | 111011011011001… |
… | …011011110010001 |
3 | 2120110222212022100 |
4 | 323123023132101 |
5 | 4020211340000 |
6 | 242532431013 |
7 | 33464124024 |
oct | 7333133621 |
9 | 2513885270 |
10 | 996980625 |
11 | 471851333 |
12 | 239a78469 |
13 | 12b720a84 |
14 | 965a31bb |
15 | 5c7d6a00 |
hex | 3b6cb791 |
996980625 has 45 divisors (see below), whose sum is σ = 1803812439. Its totient is φ = 530460000.
The previous prime is 996980603. The next prime is 996980629. The reversal of 996980625 is 526089699.
The square root of 996980625 is 31575.
It is a perfect power (a square), and thus also a powerful number.
996980625 is a `hidden beast` number, since 9 + 9 + 6 + 9 + 8 + 0 + 625 = 666.
It can be written as a sum of positive squares in 7 ways, for example, as 951660801 + 45319824 = 30849^2 + 6732^2 .
It is a tau number, because it is divible by the number of its divisors (45).
It is a de Polignac number, because none of the positive numbers 2k-996980625 is a prime.
It is not an unprimeable number, because it can be changed into a prime (996980629) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2367915 + ... + 2368335.
Almost surely, 2996980625 is an apocalyptic number.
996980625 is the 31575-th square number.
996980625 is the 15788-th centered octagonal number.
It is an amenable number.
996980625 is a deficient number, since it is larger than the sum of its proper divisors (806831814).
996980625 is an frugal number, since it uses more digits than its factorization.
996980625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 868 (or 429 counting only the distinct ones).
The product of its (nonzero) digits is 2099520, while the sum is 54.
The cubic root of 996980625 is about 998.9925270057.
The spelling of 996980625 in words is "nine hundred ninety-six million, nine hundred eighty thousand, six hundred twenty-five".
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