Base | Representation |
---|---|
bin | 11111000010001100110000 |
3 | 120022022202210 |
4 | 133002030300 |
5 | 4040313342 |
6 | 450212120 |
7 | 126102402 |
oct | 37021460 |
9 | 16268683 |
10 | 8135472 |
11 | 4657334 |
12 | 2884040 |
13 | 18bacb7 |
14 | 111ab72 |
15 | aaa79c |
hex | 7c2330 |
8135472 has 20 divisors (see below), whose sum is σ = 21016760. Its totient is φ = 2711808.
The previous prime is 8135467. The next prime is 8135473. The reversal of 8135472 is 2745318.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8135473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84697 + ... + 84792.
It is an arithmetic number, because the mean of its divisors is an integer number (1050838).
Almost surely, 28135472 is an apocalyptic number.
It is an amenable number.
8135472 is an abundant number, since it is smaller than the sum of its proper divisors (12881288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8135472 is a wasteful number, since it uses less digits than its factorization.
8135472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169500 (or 169494 counting only the distinct ones).
The product of its digits is 6720, while the sum is 30.
The square root of 8135472 is about 2852.2748815638. The cubic root of 8135472 is about 201.1226201631.
It can be divided in two parts, 81 and 35472, that added together give a palindrome (35553).
The spelling of 8135472 in words is "eight million, one hundred thirty-five thousand, four hundred seventy-two".
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