Base | Representation |
---|---|
bin | 1000100000100010… |
… | …1100001110100001 |
3 | 12220011201012010001 |
4 | 2020020230032201 |
5 | 14134144322211 |
6 | 1014345340001 |
7 | 110412335614 |
oct | 21010541641 |
9 | 5804635101 |
10 | 2283979681 |
11 | a72279815 |
12 | 538a97601 |
13 | 2a5256289 |
14 | 17949c17b |
15 | d57a9ac1 |
hex | 8822c3a1 |
2283979681 has 3 divisors (see below), whose sum is σ = 2284027473. Its totient is φ = 2283931890.
The previous prime is 2283979679. The next prime is 2283979693. The reversal of 2283979681 is 1869793822.
The square root of 2283979681 is 47791.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 2283979681 - 21 = 2283979679 is a prime.
It is a super-2 number, since 2×22839796812 = 10433126366441723522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2283979601) by changing a digit.
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 2 ways as a sum of consecutive naturals, for example, 23896 + ... + 71686.
It is an arithmetic number, because the mean of its divisors is an integer number (761342491).
Almost surely, 22283979681 is an apocalyptic number.
2283979681 is the 47791-st square number.
2283979681 is the 23896-th centered octagonal number.
It is an amenable number.
2283979681 is a deficient number, since it is larger than the sum of its proper divisors (47792).
2283979681 is an frugal number, since it uses more digits than its factorization.
2283979681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95582 (or 47791 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 55.
The cubic root of 2283979681 is about 1316.9342075001.
The spelling of 2283979681 in words is "two billion, two hundred eighty-three million, nine hundred seventy-nine thousand, six hundred eighty-one".
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