Base | Representation |
---|---|
bin | 11101001011010… |
… | …011011100011010 |
3 | 1021010002022011212 |
4 | 131023103130122 |
5 | 2000303034430 |
6 | 120323423122 |
7 | 15062462651 |
oct | 3513233432 |
9 | 1233068155 |
10 | 489502490 |
11 | 231347514 |
12 | 117b24aa2 |
13 | 7a54ac59 |
14 | 49022198 |
15 | 2ce92b95 |
hex | 1d2d371a |
489502490 has 16 divisors (see below), whose sum is σ = 883649952. Its totient is φ = 195235344.
The previous prime is 489502483. The next prime is 489502523. The reversal of 489502490 is 94205984.
It is a super-2 number, since 2×4895024902 = 479225375432400200, which contains 22 as substring.
It is a Curzon 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, 67064 + ... + 74003.
It is an arithmetic number, because the mean of its divisors is an integer number (55228122).
Almost surely, 2489502490 is an apocalyptic number.
489502490 is a deficient number, since it is larger than the sum of its proper divisors (394147462).
489502490 is a wasteful number, since it uses less digits than its factorization.
489502490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141421.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 489502490 is about 22124.7031618506. The cubic root of 489502490 is about 788.1066071078.
The spelling of 489502490 in words is "four hundred eighty-nine million, five hundred two thousand, four hundred ninety".
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