Base | Representation |
---|---|
bin | 1111101100101111… |
… | …10001010111100010 |
3 | 210202101111202221001 |
4 | 13312113301113202 |
5 | 114230132101304 |
6 | 3512201422214 |
7 | 415602111061 |
oct | 76627612742 |
9 | 23671452831 |
10 | 8428393954 |
11 | 3635677142 |
12 | 177279a96a |
13 | a44216676 |
14 | 59d5401d8 |
15 | 344e1bda4 |
hex | 1f65f15e2 |
8428393954 has 16 divisors (see below), whose sum is σ = 12828594240. Its totient is φ = 4152269520.
The previous prime is 8428393937. The next prime is 8428393991. The reversal of 8428393954 is 4593938248.
It is a junction number, because it is equal to n+sod(n) for n = 8428393895 and 8428393904.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222877 + ... + 257935.
It is an arithmetic number, because the mean of its divisors is an integer number (801787140).
Almost surely, 28428393954 is an apocalyptic number.
8428393954 is a deficient number, since it is larger than the sum of its proper divisors (4400200286).
8428393954 is a wasteful number, since it uses less digits than its factorization.
8428393954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36825.
The product of its digits is 7464960, while the sum is 55.
The square root of 8428393954 is about 91806.2849373615. The cubic root of 8428393954 is about 2035.0805751409.
The spelling of 8428393954 in words is "eight billion, four hundred twenty-eight million, three hundred ninety-three thousand, nine hundred fifty-four".
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