Base | Representation |
---|---|
bin | 11101001100001… |
… | …011101000101010 |
3 | 1021010111222220022 |
4 | 131030023220222 |
5 | 2000332421100 |
6 | 120332400442 |
7 | 15064441661 |
oct | 3514135052 |
9 | 1233458808 |
10 | 489732650 |
11 | 231494430 |
12 | 118016122 |
13 | 7a5cb944 |
14 | 49081dd8 |
15 | 2cedae85 |
hex | 1d30ba2a |
489732650 has 48 divisors (see below), whose sum is σ = 995829120. Its totient is φ = 177705600.
The previous prime is 489732643. The next prime is 489732671. The reversal of 489732650 is 56237984.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470831 + ... + 471869.
It is an arithmetic number, because the mean of its divisors is an integer number (20746440).
Almost surely, 2489732650 is an apocalyptic number.
489732650 is an abundant number, since it is smaller than the sum of its proper divisors (506096470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489732650 is a wasteful number, since it uses less digits than its factorization.
489732650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1919 (or 1914 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 44.
The square root of 489732650 is about 22129.9039762942. The cubic root of 489732650 is about 788.2301081443.
The spelling of 489732650 in words is "four hundred eighty-nine million, seven hundred thirty-two thousand, six hundred fifty".
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