Base | Representation |
---|---|
bin | 100111100001110001011 |
3 | 2102210201222 |
4 | 10330032023 |
5 | 312421433 |
6 | 43432255 |
7 | 14003135 |
oct | 4741613 |
9 | 2383658 |
10 | 1295243 |
11 | 805154 |
12 | 52568b |
13 | 364721 |
14 | 25a055 |
15 | 1a8b98 |
hex | 13c38b |
1295243 has 2 divisors, whose sum is σ = 1295244. Its totient is φ = 1295242.
The previous prime is 1295221. The next prime is 1295263. The reversal of 1295243 is 3425921.
It is a strong prime.
It is an emirp because it is prime and its reverse (3425921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1295243 - 28 = 1294987 is a prime.
It is not a weakly prime, because it can be changed into another prime (1295263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647621 + 647622.
It is an arithmetic number, because the mean of its divisors is an integer number (647622).
21295243 is an apocalyptic number.
1295243 is a deficient number, since it is larger than the sum of its proper divisors (1).
1295243 is an equidigital number, since it uses as much as digits as its factorization.
1295243 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2160, while the sum is 26.
The square root of 1295243 is about 1138.0874307363. The cubic root of 1295243 is about 109.0060036533.
The spelling of 1295243 in words is "one million, two hundred ninety-five thousand, two hundred forty-three".
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