Base | Representation |
---|---|
bin | 11101100010111… |
… | …001011100101111 |
3 | 1021112201112101020 |
4 | 131202321130233 |
5 | 2003343444341 |
6 | 121104145223 |
7 | 15166162656 |
oct | 3542713457 |
9 | 1245645336 |
10 | 495687471 |
11 | 234891374 |
12 | 11a008213 |
13 | 7b9051c6 |
14 | 49b9219d |
15 | 2d7b5566 |
hex | 1d8b972f |
495687471 has 4 divisors (see below), whose sum is σ = 660916632. Its totient is φ = 330458312.
The previous prime is 495687443. The next prime is 495687473. The reversal of 495687471 is 174786594.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 495687471 - 225 = 462133039 is a prime.
It is a super-3 number, since 3×4956874713 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (495687473) 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, 82614576 + ... + 82614581.
It is an arithmetic number, because the mean of its divisors is an integer number (165229158).
Almost surely, 2495687471 is an apocalyptic number.
495687471 is a deficient number, since it is larger than the sum of its proper divisors (165229161).
495687471 is a wasteful number, since it uses less digits than its factorization.
495687471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165229160.
The product of its digits is 1693440, while the sum is 51.
The square root of 495687471 is about 22264.0398625227. The cubic root of 495687471 is about 791.4120294899.
The spelling of 495687471 in words is "four hundred ninety-five million, six hundred eighty-seven thousand, four hundred seventy-one".
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