Base | Representation |
---|---|
bin | 11101000100110… |
… | …111011100001000 |
3 | 1020222220120021021 |
4 | 131010313130020 |
5 | 1444340034140 |
6 | 120223322224 |
7 | 15042233635 |
oct | 3504673410 |
9 | 1228816237 |
10 | 487814920 |
11 | 2303a462a |
12 | 117450374 |
13 | 7a0a9aa8 |
14 | 48b0318c |
15 | 2cc5cb4a |
hex | 1d137708 |
487814920 has 16 divisors (see below), whose sum is σ = 1097583660. Its totient is φ = 195125952.
The previous prime is 487814903. The next prime is 487814939. The reversal of 487814920 is 29418784.
It can be written as a sum of positive squares in 2 ways, for example, as 467510884 + 20304036 = 21622^2 + 4506^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6097647 + ... + 6097726.
Almost surely, 2487814920 is an apocalyptic number.
487814920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
487814920 is an abundant number, since it is smaller than the sum of its proper divisors (609768740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487814920 is a wasteful number, since it uses less digits than its factorization.
487814920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12195384 (or 12195380 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 43.
The square root of 487814920 is about 22086.5325481389. The cubic root of 487814920 is about 787.1998930379.
The spelling of 487814920 in words is "four hundred eighty-seven million, eight hundred fourteen thousand, nine hundred twenty".
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