Base | Representation |
---|---|
bin | 111110001001100… |
… | …111011111100001 |
3 | 2200200001002002110 |
4 | 332021213133201 |
5 | 4113413132244 |
6 | 251244505533 |
7 | 34560606216 |
oct | 7611473741 |
9 | 2620032073 |
10 | 1042708449 |
11 | 495644322 |
12 | 25124b2a9 |
13 | 138041763 |
14 | 9c6a7b0d |
15 | 6181a9b9 |
hex | 3e2677e1 |
1042708449 has 16 divisors (see below), whose sum is σ = 1405319552. Its totient is φ = 687633408.
The previous prime is 1042708423. The next prime is 1042708451. The reversal of 1042708449 is 9448072401.
It is not a de Polignac number, because 1042708449 - 27 = 1042708321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1042708649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492417 + ... + 494529.
It is an arithmetic number, because the mean of its divisors is an integer number (87832472).
Almost surely, 21042708449 is an apocalyptic number.
It is an amenable number.
1042708449 is a deficient number, since it is larger than the sum of its proper divisors (362611103).
1042708449 is a wasteful number, since it uses less digits than its factorization.
1042708449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3816.
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 1042708449 is about 32290.9964076676. The cubic root of 1042708449 is about 1014.0381576310.
The spelling of 1042708449 in words is "one billion, forty-two million, seven hundred eight thousand, four hundred forty-nine".
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