Base | Representation |
---|---|
bin | 111101000100100… |
… | …0001010010110101 |
3 | 12021210220101021212 |
4 | 1322021001102311 |
5 | 13144042404244 |
6 | 535201051205 |
7 | 101531533100 |
oct | 17211012265 |
9 | 5253811255 |
10 | 2049184949 |
11 | 961790a89 |
12 | 492326b05 |
13 | 268708796 |
14 | 15621d737 |
15 | bed7ad9e |
hex | 7a2414b5 |
2049184949 has 12 divisors (see below), whose sum is σ = 2448173484. Its totient is φ = 1708971264.
The previous prime is 2049184939. The next prime is 2049184957. The reversal of 2049184949 is 9494819402.
It can be written as a sum of positive squares in 2 ways, for example, as 1174090225 + 875094724 = 34265^2 + 29582^2 .
It is not a de Polignac number, because 2049184949 - 224 = 2032407733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2049184897 and 2049184906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2049184939) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563324 + ... + 566949.
It is an arithmetic number, because the mean of its divisors is an integer number (204014457).
Almost surely, 22049184949 is an apocalyptic number.
It is an amenable number.
2049184949 is a deficient number, since it is larger than the sum of its proper divisors (398988535).
2049184949 is a wasteful number, since it uses less digits than its factorization.
2049184949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130324 (or 1130317 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 50.
The square root of 2049184949 is about 45267.9240632923. The cubic root of 2049184949 is about 1270.1657148340.
The spelling of 2049184949 in words is "two billion, forty-nine million, one hundred eighty-four thousand, nine hundred forty-nine".
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