Base | Representation |
---|---|
bin | 1111010101001001… |
… | …10011011110000000 |
3 | 210020121002220021211 |
4 | 13222210303132000 |
5 | 113324000440330 |
6 | 3440411455504 |
7 | 410646646465 |
oct | 75244633600 |
9 | 23217086254 |
10 | 8230483840 |
11 | 3543991367 |
12 | 1718457594 |
13 | a122116a7 |
14 | 58114366c |
15 | 332876d2a |
hex | 1ea933780 |
8230483840 has 128 divisors (see below), whose sum is σ = 20764058400. Its totient is φ = 3111026688.
The previous prime is 8230483831. The next prime is 8230483841. The reversal of 8230483840 is 483840328.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×82304838402 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 8230483793 and 8230483802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8230483841) 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, 7502172 + ... + 7503268.
Almost surely, 28230483840 is an apocalyptic number.
8230483840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8230483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10382029200).
8230483840 is an abundant number, since it is smaller than the sum of its proper divisors (12533574560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8230483840 is a wasteful number, since it uses less digits than its factorization.
8230483840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752 (or 1740 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 40.
The square root of 8230483840 is about 90722.0140869899. The cubic root of 8230483840 is about 2019.0254293051.
The spelling of 8230483840 in words is "eight billion, two hundred thirty million, four hundred eighty-three thousand, eight hundred forty".
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