Base | Representation |
---|---|
bin | 101011000000000… |
… | …1110100110010001 |
3 | 10201120001221012102 |
4 | 1112000032212101 |
5 | 10423340302434 |
6 | 355102210145 |
7 | 50520310421 |
oct | 12600164621 |
9 | 3646057172 |
10 | 1442900369 |
11 | 680530449 |
12 | 343283955 |
13 | 19cc1c501 |
14 | d98bc481 |
15 | 86a1b07e |
hex | 5600e991 |
1442900369 has 2 divisors, whose sum is σ = 1442900370. Its totient is φ = 1442900368.
The previous prime is 1442900353. The next prime is 1442900383. The reversal of 1442900369 is 9630092441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1420385344 + 22515025 = 37688^2 + 4745^2 .
It is a cyclic number.
It is not a de Polignac number, because 1442900369 - 24 = 1442900353 is a prime.
It is a super-2 number, since 2×14429003692 = 4163922949720672322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1442900969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721450184 + 721450185.
It is an arithmetic number, because the mean of its divisors is an integer number (721450185).
Almost surely, 21442900369 is an apocalyptic number.
It is an amenable number.
1442900369 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442900369 is an equidigital number, since it uses as much as digits as its factorization.
1442900369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 46656, while the sum is 38.
The square root of 1442900369 is about 37985.5284154374. The cubic root of 1442900369 is about 1130.0008794730. Note that the first 3 decimals are identical.
The spelling of 1442900369 in words is "one billion, four hundred forty-two million, nine hundred thousand, three hundred sixty-nine".
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