Base | Representation |
---|---|
bin | 11111011100100100010000 |
3 | 120111210220210 |
4 | 133130210100 |
5 | 4102242342 |
6 | 452404120 |
7 | 130032306 |
oct | 37344420 |
9 | 16453823 |
10 | 8243472 |
11 | 4720496 |
12 | 2916640 |
13 | 19281c3 |
14 | 1148276 |
15 | acc79c |
hex | 7dc910 |
8243472 has 40 divisors (see below), whose sum is σ = 21409344. Its totient is φ = 2733184.
The previous prime is 8243441. The next prime is 8243497. The reversal of 8243472 is 2743428.
It is a super-2 number, since 2×82434722 = 135909661229568, which contains 22 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12298 + ... + 12950.
Almost surely, 28243472 is an apocalyptic number.
It is an amenable number.
8243472 is an abundant number, since it is smaller than the sum of its proper divisors (13165872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8243472 is a wasteful number, since it uses less digits than its factorization.
8243472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927 (or 921 counting only the distinct ones).
The product of its digits is 10752, while the sum is 30.
The square root of 8243472 is about 2871.1447194455. The cubic root of 8243472 is about 202.0086915843.
The spelling of 8243472 in words is "eight million, two hundred forty-three thousand, four hundred seventy-two".
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