Base | Representation |
---|---|
bin | 11101001000000… |
… | …101111101010100 |
3 | 1021001111112121220 |
4 | 131020011331110 |
5 | 2000044121240 |
6 | 120253410340 |
7 | 15052356054 |
oct | 3510057524 |
9 | 1231445556 |
10 | 488660820 |
11 | 23092211a |
12 | 1177999b0 |
13 | 7a314b1b |
14 | 48c83564 |
15 | 2cd785d0 |
hex | 1d205f54 |
488660820 has 48 divisors (see below), whose sum is σ = 1385583360. Its totient is φ = 128658816.
The previous prime is 488660771. The next prime is 488660831. The reversal of 488660820 is 28066884.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46807 + ... + 56286.
It is an arithmetic number, because the mean of its divisors is an integer number (28866320).
Almost surely, 2488660820 is an apocalyptic number.
It is an amenable number.
488660820 is an abundant number, since it is smaller than the sum of its proper divisors (896922540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488660820 is a wasteful number, since it uses less digits than its factorization.
488660820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103184 (or 103182 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 42.
The square root of 488660820 is about 22105.6739322736. The cubic root of 488660820 is about 787.6546473813.
The spelling of 488660820 in words is "four hundred eighty-eight million, six hundred sixty thousand, eight hundred twenty".
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