Base | Representation |
---|---|
bin | 101001100111100011… |
… | …011000001110000001 |
3 | 11021100022110211101201 |
4 | 221213203120032001 |
5 | 1213004333003244 |
6 | 32310125301201 |
7 | 3141246144100 |
oct | 514743301601 |
9 | 137308424351 |
10 | 44687000449 |
11 | 17a51712933 |
12 | 87b1704801 |
13 | 42a2111400 |
14 | 223cc74037 |
15 | 1268212ad4 |
hex | a678d8381 |
44687000449 has 81 divisors (see below), whose sum is σ = 59431237929. Its totient is φ = 33484651200.
The previous prime is 44687000447. The next prime is 44687000473. The reversal of 44687000449 is 94400078644.
The square root of 44687000449 is 211393.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1685513025 + 43001487424 = 41055^2 + 207368^2 .
It is not a de Polignac number, because 44687000449 - 21 = 44687000447 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 44687000399 and 44687000408.
It is not an unprimeable number, because it can be changed into a prime (44687000441) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 442445499 + ... + 442445599.
Almost surely, 244687000449 is an apocalyptic number.
44687000449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
44687000449 is the 211393-rd square number.
44687000449 is the 105697-th centered octagonal number.
It is an amenable number.
44687000449 is a deficient number, since it is larger than the sum of its proper divisors (14744237480).
44687000449 is a wasteful number, since it uses less digits than its factorization.
44687000449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288 (or 144 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 46.
The spelling of 44687000449 in words is "forty-four billion, six hundred eighty-seven million, four hundred forty-nine", and thus it is an aban number.
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