Base | Representation |
---|---|
bin | 11101001010100… |
… | …100111111110000 |
3 | 1021002201122012120 |
4 | 131022210333300 |
5 | 2000230442430 |
6 | 120315354240 |
7 | 15061041204 |
oct | 3512447760 |
9 | 1232648176 |
10 | 489312240 |
11 | 23122758a |
12 | 117a52980 |
13 | 7a4b2491 |
14 | 48db2b04 |
15 | 2ce56610 |
hex | 1d2a4ff0 |
489312240 has 40 divisors (see below), whose sum is σ = 1516868688. Its totient is φ = 130483200.
The previous prime is 489312233. The next prime is 489312287. The reversal of 489312240 is 42213984.
489312240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019161 + ... + 1019640.
Almost surely, 2489312240 is an apocalyptic number.
489312240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489312240 is an abundant number, since it is smaller than the sum of its proper divisors (1027556448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489312240 is a wasteful number, since it uses less digits than its factorization.
489312240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2038817 (or 2038811 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 489312240 is about 22120.4032512972. The cubic root of 489312240 is about 788.0044920596.
The spelling of 489312240 in words is "four hundred eighty-nine million, three hundred twelve thousand, two hundred forty".
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