Base | Representation |
---|---|
bin | 10000001011010000… |
… | …10011010011010100 |
3 | 211102020012111022010 |
4 | 20011220103103110 |
5 | 120241200313432 |
6 | 3553424304220 |
7 | 425131026066 |
oct | 100550232324 |
9 | 24366174263 |
10 | 8684385492 |
11 | 37571223a2 |
12 | 1824472070 |
13 | a85276253 |
14 | 5c5539736 |
15 | 35c6363cc |
hex | 205a134d4 |
8684385492 has 12 divisors (see below), whose sum is σ = 20263566176. Its totient is φ = 2894795160.
The previous prime is 8684385491. The next prime is 8684385511. The reversal of 8684385492 is 2945834868.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8684385491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361849384 + ... + 361849407.
Almost surely, 28684385492 is an apocalyptic number.
It is an amenable number.
8684385492 is an abundant number, since it is smaller than the sum of its proper divisors (11579180684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8684385492 is a wasteful number, since it uses less digits than its factorization.
8684385492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723698798 (or 723698796 counting only the distinct ones).
The product of its digits is 13271040, while the sum is 57.
The square root of 8684385492 is about 93190.0503916593. The cubic root of 8684385492 is about 2055.4789381034.
The spelling of 8684385492 in words is "eight billion, six hundred eighty-four million, three hundred eighty-five thousand, four hundred ninety-two".
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