Base | Representation |
---|---|
bin | 11010001101010010001100 |
3 | 110221001002020 |
4 | 122031102030 |
5 | 3224321111 |
6 | 403130140 |
7 | 112252416 |
oct | 32152214 |
9 | 13831066 |
10 | 6870156 |
11 | 3972717 |
12 | 2373950 |
13 | 15670a7 |
14 | cab9b6 |
15 | 90a906 |
hex | 68d48c |
6870156 has 24 divisors (see below), whose sum is σ = 16235520. Its totient is φ = 2260752.
The previous prime is 6870151. The next prime is 6870167. The reversal of 6870156 is 6510786.
It is not an unprimeable number, because it can be changed into a prime (6870151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676 + ... + 4571.
It is an arithmetic number, because the mean of its divisors is an integer number (676480).
Almost surely, 26870156 is an apocalyptic number.
It is an amenable number.
6870156 is an abundant number, since it is smaller than the sum of its proper divisors (9365364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6870156 is a wasteful number, since it uses less digits than its factorization.
6870156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7333 (or 7331 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 6870156 is about 2621.0982431035. The cubic root of 6870156 is about 190.1029543595.
The spelling of 6870156 in words is "six million, eight hundred seventy thousand, one hundred fifty-six".
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