Base | Representation |
---|---|
bin | 101000000001000… |
… | …100010100100000 |
3 | 1201210022001102021 |
4 | 220001010110200 |
5 | 2333332242410 |
6 | 150341431224 |
7 | 22431352336 |
oct | 5001042440 |
9 | 1653261367 |
10 | 671368480 |
11 | 314a74092 |
12 | 168a0b514 |
13 | a9126273 |
14 | 65243b56 |
15 | 3de18eda |
hex | 28044520 |
671368480 has 48 divisors (see below), whose sum is σ = 1591632504. Its totient is φ = 267612160.
The previous prime is 671368463. The next prime is 671368507. The reversal of 671368480 is 84863176.
It can be written as a sum of positive squares in 4 ways, for example, as 501222544 + 170145936 = 22388^2 + 13044^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39720 + ... + 54040.
Almost surely, 2671368480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 671368480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795816252).
671368480 is an abundant number, since it is smaller than the sum of its proper divisors (920264024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
671368480 is a wasteful number, since it uses less digits than its factorization.
671368480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14629 (or 14621 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 671368480 is about 25910.7792240990. The cubic root of 671368480 is about 875.6293616320.
The spelling of 671368480 in words is "six hundred seventy-one million, three hundred sixty-eight thousand, four hundred eighty".
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