Base | Representation |
---|---|
bin | 11101000100001… |
… | …000110011110100 |
3 | 1020222112212021100 |
4 | 131010020303310 |
5 | 1444312431144 |
6 | 120215250100 |
7 | 15040510044 |
oct | 3504106364 |
9 | 1228485240 |
10 | 487623924 |
11 | 230284087 |
12 | 117379930 |
13 | 7a040b88 |
14 | 48a93724 |
15 | 2cc21269 |
hex | 1d108cf4 |
487623924 has 72 divisors (see below), whose sum is σ = 1279998720. Its totient is φ = 156355200.
The previous prime is 487623911. The next prime is 487623991. The reversal of 487623924 is 429326784.
It is a self number, because there is not a number n which added to its sum of digits gives 487623924.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198544 + ... + 200984.
It is an arithmetic number, because the mean of its divisors is an integer number (17777760).
Almost surely, 2487623924 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 487623924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639999360).
487623924 is an abundant number, since it is smaller than the sum of its proper divisors (792374796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487623924 is a wasteful number, since it uses less digits than its factorization.
487623924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2661 (or 2656 counting only the distinct ones).
The product of its digits is 580608, while the sum is 45.
The square root of 487623924 is about 22082.2083134817. The cubic root of 487623924 is about 787.0971411871.
The spelling of 487623924 in words is "four hundred eighty-seven million, six hundred twenty-three thousand, nine hundred twenty-four".
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