Base | Representation |
---|---|
bin | 111101100110… |
… | …001001000000 |
3 | 1010101100112100 |
4 | 331212021000 |
5 | 13113201013 |
6 | 1334030400 |
7 | 254150553 |
oct | 75461100 |
9 | 33340470 |
10 | 16147008 |
11 | 9129539 |
12 | 54a8400 |
13 | 3464757 |
14 | 220469a |
15 | 163e473 |
hex | f66240 |
16147008 has 126 divisors (see below), whose sum is σ = 49671986. Its totient is φ = 5013504.
The previous prime is 16146983. The next prime is 16147009. The reversal of 16147008 is 80074161.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 6110784 + 10036224 = 2472^2 + 3168^2 .
It is not an unprimeable number, because it can be changed into a prime (16147009) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166416 + ... + 166512.
Almost surely, 216147008 is an apocalyptic number.
16147008 is a gapful number since it is divisible by the number (18) 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 16147008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24835993).
16147008 is an abundant number, since it is smaller than the sum of its proper divisors (33524978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16147008 is a wasteful number, since it uses less digits than its factorization.
16147008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 16147008 is about 4018.3339831328. Note that the first 3 decimals coincide. The cubic root of 16147008 is about 252.7536020173.
The spelling of 16147008 in words is "sixteen million, one hundred forty-seven thousand, eight".
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