Base | Representation |
---|---|
bin | 11101001100101… |
… | …101000011111010 |
3 | 1021010202221201010 |
4 | 131030231003322 |
5 | 2000401311222 |
6 | 120335334350 |
7 | 15065552100 |
oct | 3514550372 |
9 | 1233687633 |
10 | 489869562 |
11 | 231578286 |
12 | 1180813b6 |
13 | 7a649060 |
14 | 490b9c70 |
15 | 2d01680c |
hex | 1d32d0fa |
489869562 has 96 divisors (see below), whose sum is σ = 1246335552. Its totient is φ = 127201536.
The previous prime is 489869561. The next prime is 489869563. The reversal of 489869562 is 265968984.
It is an interprime number because it is at equal distance from previous prime (489869561) and next prime (489869563).
It is not an unprimeable number, because it can be changed into a prime (489869561) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255118 + ... + 257030.
It is an arithmetic number, because the mean of its divisors is an integer number (12982662).
Almost surely, 2489869562 is an apocalyptic number.
489869562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 489869562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623167776).
489869562 is an abundant number, since it is smaller than the sum of its proper divisors (756465990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489869562 is a wasteful number, since it uses less digits than its factorization.
489869562 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2012 (or 2005 counting only the distinct ones).
The product of its digits is 7464960, while the sum is 57.
The square root of 489869562 is about 22132.9971309807. The cubic root of 489869562 is about 788.3035550923.
The spelling of 489869562 in words is "four hundred eighty-nine million, eight hundred sixty-nine thousand, five hundred sixty-two".
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