Base | Representation |
---|---|
bin | 11101001100101… |
… | …011011110000000 |
3 | 1021010202121202120 |
4 | 131030223132000 |
5 | 2000401104130 |
6 | 120335244240 |
7 | 15065524062 |
oct | 3514533600 |
9 | 1233677676 |
10 | 489863040 |
11 | 231573397 |
12 | 118079680 |
13 | 7a6460b4 |
14 | 490b7732 |
15 | 2d014910 |
hex | 1d32b780 |
489863040 has 64 divisors (see below), whose sum is σ = 1561444560. Its totient is φ = 130629632.
The previous prime is 489863021. The next prime is 489863053. The reversal of 489863040 is 40368984.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 489862983 and 489863001.
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, 125649 + ... + 129488.
Almost surely, 2489863040 is an apocalyptic number.
489863040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489863040 is an abundant number, since it is smaller than the sum of its proper divisors (1071581520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489863040 is a wasteful number, since it uses less digits than its factorization.
489863040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255159 (or 255147 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 489863040 is about 22132.8497939149. The cubic root of 489863040 is about 788.3000566517.
The spelling of 489863040 in words is "four hundred eighty-nine million, eight hundred sixty-three thousand, forty".
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