Base | Representation |
---|---|
bin | 10000000010000… |
… | …010110111010101 |
3 | 200202010011111120 |
4 | 100002002313111 |
5 | 1022324041402 |
6 | 42404554153 |
7 | 6444135255 |
oct | 2002026725 |
9 | 622104446 |
10 | 268971477 |
11 | 128911285 |
12 | 760b2959 |
13 | 43955928 |
14 | 27a17965 |
15 | 189303bc |
hex | 10082dd5 |
268971477 has 4 divisors (see below), whose sum is σ = 358628640. Its totient is φ = 179314316.
The previous prime is 268971431. The next prime is 268971497. The reversal of 268971477 is 774179862.
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.
It is a cyclic number.
It is not a de Polignac number, because 268971477 - 26 = 268971413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268971497) 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, 44828577 + ... + 44828582.
It is an arithmetic number, because the mean of its divisors is an integer number (89657160).
Almost surely, 2268971477 is an apocalyptic number.
It is an amenable number.
268971477 is a deficient number, since it is larger than the sum of its proper divisors (89657163).
268971477 is an equidigital number, since it uses as much as digits as its factorization.
268971477 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89657162.
The product of its digits is 1185408, while the sum is 51.
The square root of 268971477 is about 16400.3499048039. The cubic root of 268971477 is about 645.5086643092.
The spelling of 268971477 in words is "two hundred sixty-eight million, nine hundred seventy-one thousand, four hundred seventy-seven".
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