Base | Representation |
---|---|
bin | 10111011101000… |
… | …11110010000001 |
3 | 111201020011111222 |
4 | 23232203302001 |
5 | 400332121221 |
6 | 31305044425 |
7 | 4606246313 |
oct | 1356436201 |
9 | 451204458 |
10 | 196754561 |
11 | a1076683 |
12 | 55a86715 |
13 | 319bc023 |
14 | 1c1b97b3 |
15 | 124179ab |
hex | bba3c81 |
196754561 has 4 divisors (see below), whose sum is σ = 199525824. Its totient is φ = 193983300.
The previous prime is 196754543. The next prime is 196754653. The reversal of 196754561 is 165457691.
196754561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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: 165457691 = 7 ⋅23636813.
It is a cyclic number.
It is not a de Polignac number, because 196754561 - 214 = 196738177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (196754501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385525 + ... + 1385666.
It is an arithmetic number, because the mean of its divisors is an integer number (49881456).
Almost surely, 2196754561 is an apocalyptic number.
It is an amenable number.
196754561 is a deficient number, since it is larger than the sum of its proper divisors (2771263).
196754561 is an equidigital number, since it uses as much as digits as its factorization.
196754561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2771262.
The product of its digits is 226800, while the sum is 44.
The square root of 196754561 is about 14026.9227202548. The cubic root of 196754561 is about 581.6230411293.
The spelling of 196754561 in words is "one hundred ninety-six million, seven hundred fifty-four thousand, five hundred sixty-one".
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