Base | Representation |
---|---|
bin | 1000001011001001001001 |
3 | 11000212100201 |
4 | 20023021021 |
5 | 1022032133 |
6 | 113532201 |
7 | 24133132 |
oct | 10131111 |
9 | 4025321 |
10 | 2142793 |
11 | 1233a04 |
12 | 874061 |
13 | 5a0433 |
14 | 3dac89 |
15 | 2c4d7d |
hex | 20b249 |
2142793 has 2 divisors, whose sum is σ = 2142794. Its totient is φ = 2142792.
The previous prime is 2142773. The next prime is 2142823. The reversal of 2142793 is 3972412.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1923769 + 219024 = 1387^2 + 468^2 .
It is a cyclic number.
It is not a de Polignac number, because 2142793 - 25 = 2142761 is a prime.
2142793 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (2142713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071396 + 1071397.
It is an arithmetic number, because the mean of its divisors is an integer number (1071397).
22142793 is an apocalyptic number.
It is an amenable number.
2142793 is a deficient number, since it is larger than the sum of its proper divisors (1).
2142793 is an equidigital number, since it uses as much as digits as its factorization.
2142793 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3024, while the sum is 28.
The square root of 2142793 is about 1463.8282003022. The cubic root of 2142793 is about 128.9219125591.
The spelling of 2142793 in words is "two million, one hundred forty-two thousand, seven hundred ninety-three".
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