Base | Representation |
---|---|
bin | 11100100100111… |
… | …101001101110011 |
3 | 1020102011120201100 |
4 | 130210331031303 |
5 | 1440214344341 |
6 | 115324135443 |
7 | 14611154220 |
oct | 3444751563 |
9 | 1212146640 |
10 | 479449971 |
11 | 226700950 |
12 | 114697583 |
13 | 7843b510 |
14 | 47966947 |
15 | 2c1593b6 |
hex | 1c93d373 |
479449971 has 96 divisors (see below), whose sum is σ = 979130880. Its totient is φ = 217728000.
The previous prime is 479449939. The next prime is 479450017. The reversal of 479449971 is 179944974.
It is not a de Polignac number, because 479449971 - 25 = 479449939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (479449931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 169771 + ... + 172571.
It is an arithmetic number, because the mean of its divisors is an integer number (10199280).
Almost surely, 2479449971 is an apocalyptic number.
479449971 is an abundant number, since it is smaller than the sum of its proper divisors (499680909).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
479449971 is a wasteful number, since it uses less digits than its factorization.
479449971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2857 (or 2854 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The square root of 479449971 is about 21896.3460650402. The cubic root of 479449971 is about 782.6743457701.
The spelling of 479449971 in words is "four hundred seventy-nine million, four hundred forty-nine thousand, nine hundred seventy-one".
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