Base | Representation |
---|---|
bin | 11101001010101… |
… | …100111010011110 |
3 | 1021002210021200200 |
4 | 131022230322132 |
5 | 2000233012140 |
6 | 120320204330 |
7 | 15061234563 |
oct | 3512547236 |
9 | 1232707620 |
10 | 489344670 |
11 | 231249991 |
12 | 117a696a6 |
13 | 7a4c4179 |
14 | 48dc086a |
15 | 2ce61030 |
hex | 1d2ace9e |
489344670 has 24 divisors (see below), whose sum is σ = 1272296376. Its totient is φ = 130491888.
The previous prime is 489344629. The next prime is 489344671. The reversal of 489344670 is 76443984.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489344671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2718492 + ... + 2718671.
It is an arithmetic number, because the mean of its divisors is an integer number (53012349).
Almost surely, 2489344670 is an apocalyptic number.
489344670 is an abundant number, since it is smaller than the sum of its proper divisors (782951706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489344670 is a wasteful number, since it uses less digits than its factorization.
489344670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5437176 (or 5437173 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The square root of 489344670 is about 22121.1362728048. The cubic root of 489344670 is about 788.0219004538.
The spelling of 489344670 in words is "four hundred eighty-nine million, three hundred forty-four thousand, six hundred seventy".
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