Base | Representation |
---|---|
bin | 11101001100111… |
… | …101000001101100 |
3 | 1021010220021102010 |
4 | 131030331001230 |
5 | 2000410404311 |
6 | 120341001220 |
7 | 15066243540 |
oct | 3514750154 |
9 | 1233807363 |
10 | 489934956 |
11 | 231612425 |
12 | 1180b3210 |
13 | 7a66ca54 |
14 | 490d5a20 |
15 | 2d02ada6 |
hex | 1d33d06c |
489934956 has 48 divisors (see below), whose sum is σ = 1334301696. Its totient is φ = 137001984.
The previous prime is 489934933. The next prime is 489934957. The reversal of 489934956 is 659439984.
It is a happy number.
It is a super-2 number, since 2×4899349562 = 480072522221443872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 489934896 and 489934905.
It is not an unprimeable number, because it can be changed into a prime (489934957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58101 + ... + 65996.
It is an arithmetic number, because the mean of its divisors is an integer number (27797952).
Almost surely, 2489934956 is an apocalyptic number.
It is an amenable number.
489934956 is an abundant number, since it is smaller than the sum of its proper divisors (844366740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489934956 is a wasteful number, since it uses less digits than its factorization.
489934956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124158 (or 124156 counting only the distinct ones).
The product of its digits is 8398080, while the sum is 57.
The square root of 489934956 is about 22134.4743782182. The cubic root of 489934956 is about 788.3386311159.
The spelling of 489934956 in words is "four hundred eighty-nine million, nine hundred thirty-four thousand, nine hundred fifty-six".
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