Base | Representation |
---|---|
bin | 11010001011001010100000 |
3 | 110220121011121 |
4 | 122023022200 |
5 | 3224031342 |
6 | 403022024 |
7 | 112215202 |
oct | 32131240 |
9 | 13817147 |
10 | 6861472 |
11 | 3967142 |
12 | 236a914 |
13 | 1563157 |
14 | ca8772 |
15 | 908067 |
hex | 68b2a0 |
6861472 has 24 divisors (see below), whose sum is σ = 14304276. Its totient is φ = 3228672.
The previous prime is 6861469. The next prime is 6861479. The reversal of 6861472 is 2741686.
It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 80656 = 2604^2 + 284^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6861479) 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, 5763 + ... + 6850.
Almost surely, 26861472 is an apocalyptic number.
It is an amenable number.
6861472 is an abundant number, since it is smaller than the sum of its proper divisors (7442804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6861472 is a wasteful number, since it uses less digits than its factorization.
6861472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12640 (or 12632 counting only the distinct ones).
The product of its digits is 16128, while the sum is 34.
The square root of 6861472 is about 2619.4411617748. The cubic root of 6861472 is about 190.0228227432.
It can be divided in two parts, 68614 and 72, that added together give a palindrome (68686).
The spelling of 6861472 in words is "six million, eight hundred sixty-one thousand, four hundred seventy-two".
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