Base | Representation |
---|---|
bin | 1010011110110001010000 |
3 | 12011120211020 |
4 | 22132301100 |
5 | 1200404342 |
6 | 134515440 |
7 | 32232060 |
oct | 12366120 |
9 | 5146736 |
10 | 2747472 |
11 | 1607242 |
12 | b05b80 |
13 | 752730 |
14 | 5173a0 |
15 | 3940ec |
hex | 29ec50 |
2747472 has 160 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 663552.
The previous prime is 2747449. The next prime is 2747473.
2747472 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2747473) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74238 + ... + 74274.
22747472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2747472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749696).
2747472 is an abundant number, since it is smaller than the sum of its proper divisors (6751920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2747472 is a wasteful number, since it uses less digits than its factorization.
2747472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85 (or 79 counting only the distinct ones).
The product of its digits is 21952, while the sum is 33.
The square root of 2747472 is about 1657.5499992459. The cubic root of 2747472 is about 140.0590227321.
The spelling of 2747472 in words is "two million, seven hundred forty-seven thousand, four hundred seventy-two".
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