Base | Representation |
---|---|
bin | 11101011110010… |
… | …110010100000100 |
3 | 1021110110221120220 |
4 | 131132112110010 |
5 | 2003042314410 |
6 | 121022424340 |
7 | 15153065220 |
oct | 3536262404 |
9 | 1243427526 |
10 | 494494980 |
11 | 234147441 |
12 | 1197320b0 |
13 | 7b5a84a5 |
14 | 49961780 |
15 | 2d62c070 |
hex | 1d796504 |
494494980 has 96 divisors (see below), whose sum is σ = 1675489536. Its totient is φ = 106377216.
The previous prime is 494494961. The next prime is 494495003. The reversal of 494494980 is 89494494.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27489 + ... + 41768.
It is an arithmetic number, because the mean of its divisors is an integer number (17453016).
Almost surely, 2494494980 is an apocalyptic number.
It is an amenable number.
494494980 is an abundant number, since it is smaller than the sum of its proper divisors (1180994556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494494980 is a wasteful number, since it uses less digits than its factorization.
494494980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69293 (or 69291 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 51.
The square root of 494494980 is about 22237.2430845193. The cubic root of 494494980 is about 790.7768782470.
The spelling of 494494980 in words is "four hundred ninety-four million, four hundred ninety-four thousand, nine hundred eighty".
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