Base | Representation |
---|---|
bin | 1010110011010001110000 |
3 | 12022212001100 |
4 | 22303101300 |
5 | 1211101342 |
6 | 140404400 |
7 | 33032010 |
oct | 12632160 |
9 | 5285040 |
10 | 2831472 |
11 | 1664366 |
12 | b46700 |
13 | 781a37 |
14 | 539c40 |
15 | 3ade4c |
hex | 2b3470 |
2831472 has 90 divisors (see below), whose sum is σ = 9230312. Its totient is φ = 793728.
The previous prime is 2831471. The next prime is 2831489. The reversal of 2831472 is 2741382.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2831471) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53398 + ... + 53450.
22831472 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 2831472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4615156).
2831472 is an abundant number, since it is smaller than the sum of its proper divisors (6398840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2831472 is a wasteful number, since it uses less digits than its factorization.
2831472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127 (or 65 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 2831472 is about 1682.6978338371. The cubic root of 2831472 is about 141.4720859586.
The spelling of 2831472 in words is "two million, eight hundred thirty-one thousand, four hundred seventy-two".
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