Base | Representation |
---|---|
bin | 11101000010001… |
… | …101101100110101 |
3 | 1020221121020120020 |
4 | 131002031230311 |
5 | 1444200312134 |
6 | 120200355353 |
7 | 15033306651 |
oct | 3502155465 |
9 | 1227536506 |
10 | 487119669 |
11 | 22aa6a243 |
12 | 117175b59 |
13 | 79bc54ba |
14 | 489a1a61 |
15 | 2cb71b49 |
hex | 1d08db35 |
487119669 has 4 divisors (see below), whose sum is σ = 649492896. Its totient is φ = 324746444.
The previous prime is 487119643. The next prime is 487119671. The reversal of 487119669 is 966911784.
It is a happy number.
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 487119669 - 213 = 487111477 is a prime.
It is a super-2 number, since 2×4871196692 = 474571143853339122, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487119629) 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, 81186609 + ... + 81186614.
It is an arithmetic number, because the mean of its divisors is an integer number (162373224).
Almost surely, 2487119669 is an apocalyptic number.
It is an amenable number.
487119669 is a deficient number, since it is larger than the sum of its proper divisors (162373227).
487119669 is a wasteful number, since it uses less digits than its factorization.
487119669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162373226.
The product of its digits is 653184, while the sum is 51.
The square root of 487119669 is about 22070.7876841766. The cubic root of 487119669 is about 786.8257335582.
The spelling of 487119669 in words is "four hundred eighty-seven million, one hundred nineteen thousand, six hundred sixty-nine".
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