Base | Representation |
---|---|
bin | 11101001100000… |
… | …010101101011010 |
3 | 1021010110010202020 |
4 | 131030002231122 |
5 | 2000330233330 |
6 | 120331515310 |
7 | 15064230252 |
oct | 3514025532 |
9 | 1233403666 |
10 | 489696090 |
11 | 231469a14 |
12 | 117bb8b36 |
13 | 7a5b8100 |
14 | 49072962 |
15 | 2ced0210 |
hex | 1d302b5a |
489696090 has 48 divisors (see below), whose sum is σ = 1272643488. Its totient is φ = 120539328.
The previous prime is 489696089. The next prime is 489696107. The reversal of 489696090 is 90696984.
It is a super-2 number, since 2×4896960902 = 479604521122576200, which contains 22 as substring.
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, 43224 + ... + 53363.
It is an arithmetic number, because the mean of its divisors is an integer number (26513406).
Almost surely, 2489696090 is an apocalyptic number.
489696090 is an abundant number, since it is smaller than the sum of its proper divisors (782947398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489696090 is a wasteful number, since it uses less digits than its factorization.
489696090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96623 (or 96610 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 51.
The square root of 489696090 is about 22129.0779292767. The cubic root of 489696090 is about 788.2104930816.
The spelling of 489696090 in words is "four hundred eighty-nine million, six hundred ninety-six thousand, ninety".
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