Base | Representation |
---|---|
bin | 100110010011011100101 |
3 | 2100202201201 |
4 | 10302123211 |
5 | 310131031 |
6 | 42522501 |
7 | 13445206 |
oct | 4623345 |
9 | 2322651 |
10 | 1255141 |
11 | 788008 |
12 | 506431 |
13 | 34c3b4 |
14 | 2495ad |
15 | 19bd61 |
hex | 1326e5 |
1255141 has 4 divisors (see below), whose sum is σ = 1265152. Its totient is φ = 1245132.
The previous prime is 1255139. The next prime is 1255147. The reversal of 1255141 is 1415521.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1415521 = 97 ⋅14593.
It is a cyclic number.
It is not a de Polignac number, because 1255141 - 21 = 1255139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1255147) 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 in 3 ways as a sum of consecutive naturals, for example, 4815 + ... + 5068.
It is an arithmetic number, because the mean of its divisors is an integer number (316288).
21255141 is an apocalyptic number.
It is an amenable number.
1255141 is a deficient number, since it is larger than the sum of its proper divisors (10011).
1255141 is an equidigital number, since it uses as much as digits as its factorization.
1255141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10010.
The product of its digits is 200, while the sum is 19.
The square root of 1255141 is about 1120.3307547327. The cubic root of 1255141 is about 107.8692118210.
The spelling of 1255141 in words is "one million, two hundred fifty-five thousand, one hundred forty-one".
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