Base | Representation |
---|---|
bin | 11101001010011… |
… | …000011110001100 |
3 | 1021002122000211120 |
4 | 131022120132030 |
5 | 2000222322230 |
6 | 120314320540 |
7 | 15060435510 |
oct | 3512303614 |
9 | 1232560746 |
10 | 489260940 |
11 | 2311a1a93 |
12 | 117a29150 |
13 | 7a49501c |
14 | 48d9c140 |
15 | 2ce46310 |
hex | 1d29878c |
489260940 has 96 divisors (see below), whose sum is σ = 1569921024. Its totient is φ = 111525120.
The previous prime is 489260939. The next prime is 489260951. The reversal of 489260940 is 49062984.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 489260892 and 489260901.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175437 + ... + 178203.
It is an arithmetic number, because the mean of its divisors is an integer number (16353344).
Almost surely, 2489260940 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 489260940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784960512).
489260940 is an abundant number, since it is smaller than the sum of its proper divisors (1080660084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489260940 is a wasteful number, since it uses less digits than its factorization.
489260940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 489260940 is about 22119.2436579554. The cubic root of 489260940 is about 787.9769526958.
The spelling of 489260940 in words is "four hundred eighty-nine million, two hundred sixty thousand, nine hundred forty".
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