Base | Representation |
---|---|
bin | 111101111111010… |
… | …0100000111110001 |
3 | 12100221212212110121 |
4 | 1323332210013301 |
5 | 13224434422244 |
6 | 542221330241 |
7 | 102354460264 |
oct | 17376440761 |
9 | 5327785417 |
10 | 2079998449 |
11 | 978117691 |
12 | 4a0706981 |
13 | 271c06b19 |
14 | 15a360cdb |
15 | c2915c84 |
hex | 7bfa41f1 |
2079998449 has 9 divisors (see below), whose sum is σ = 2118590923. Its totient is φ = 2042099032.
The previous prime is 2079998447. The next prime is 2079998461. The reversal of 2079998449 is 9448999702.
The square root of 2079998449 is 45607.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 132365025 + 1947633424 = 11505^2 + 44132^2 .
It is not a de Polignac number, because 2079998449 - 21 = 2079998447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2079998447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2690427 + ... + 2691199.
Almost surely, 22079998449 is an apocalyptic number.
2079998449 is the 45607-th square number.
2079998449 is the 22804-th centered octagonal number.
It is an amenable number.
2079998449 is a deficient number, since it is larger than the sum of its proper divisors (38592474).
2079998449 is an frugal number, since it uses more digits than its factorization.
2079998449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664 (or 832 counting only the distinct ones).
The product of its (nonzero) digits is 11757312, while the sum is 61.
The cubic root of 2079998449 is about 1276.5005424878.
The spelling of 2079998449 in words is "two billion, seventy-nine million, nine hundred ninety-eight thousand, four hundred forty-nine".
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