Base | Representation |
---|---|
bin | 1111011110000000… |
… | …10001100101000000 |
3 | 210102202221020120000 |
4 | 13233000101211000 |
5 | 114002011401140 |
6 | 3452024320000 |
7 | 412541404113 |
oct | 75700214500 |
9 | 23382836500 |
10 | 8304793920 |
11 | 3581926655 |
12 | 1739313000 |
13 | a2472bc57 |
14 | 58ad6857a |
15 | 339154a30 |
hex | 1ef011940 |
8304793920 has 140 divisors (see below), whose sum is σ = 29541705204. Its totient is φ = 2214604800.
The previous prime is 8304793907. The next prime is 8304793927. The reversal of 8304793920 is 293974038.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1159811136 + 7144982784 = 34056^2 + 84528^2 .
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 (8304793927) 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 19 ways as a sum of consecutive naturals, for example, 134281 + ... + 186120.
Almost surely, 28304793920 is an apocalyptic number.
8304793920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8304793920 is an abundant number, since it is smaller than the sum of its proper divisors (21236911284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8304793920 is a wasteful number, since it uses less digits than its factorization.
8304793920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320430 (or 320411 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 8304793920 is about 91130.6420475572. The cubic root of 8304793920 is about 2025.0835850272.
The spelling of 8304793920 in words is "eight billion, three hundred four million, seven hundred ninety-three thousand, nine hundred twenty".
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