Base | Representation |
---|---|
bin | 11100100101111… |
… | …001010001110011 |
3 | 1020102122002012001 |
4 | 130211321101303 |
5 | 1440300232422 |
6 | 115333314431 |
7 | 14613230401 |
oct | 3445712163 |
9 | 1212562161 |
10 | 479695987 |
11 | 226859771 |
12 | 114795a17 |
13 | 784c64a4 |
14 | 479cc471 |
15 | 2c1a7227 |
hex | 1c979473 |
479695987 has 8 divisors (see below), whose sum is σ = 508982400. Its totient is φ = 450528384.
The previous prime is 479695939. The next prime is 479696017. The reversal of 479695987 is 789596974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-479695987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (479695087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21312 + ... + 37597.
It is an arithmetic number, because the mean of its divisors is an integer number (63622800).
Almost surely, 2479695987 is an apocalyptic number.
479695987 is a deficient number, since it is larger than the sum of its proper divisors (29286413).
479695987 is a wasteful number, since it uses less digits than its factorization.
479695987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59405.
The product of its digits is 34292160, while the sum is 64.
The square root of 479695987 is about 21901.9630855319. The cubic root of 479695987 is about 782.8081918430.
It can be divided in two parts, 47969 and 5987, that added together give a triangular number (53956 = T328).
The spelling of 479695987 in words is "four hundred seventy-nine million, six hundred ninety-five thousand, nine hundred eighty-seven".
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