Base | Representation |
---|---|
bin | 1110110001010111011111 |
3 | 21021201200200 |
4 | 32301113133 |
5 | 1442402343 |
6 | 214554543 |
7 | 44625165 |
oct | 16612737 |
9 | 7251620 |
10 | 3872223 |
11 | 2205293 |
12 | 1368a53 |
13 | a57674 |
14 | 72b235 |
15 | 5174d3 |
hex | 3b15df |
3872223 has 12 divisors (see below), whose sum is σ = 5646888. Its totient is φ = 2556720.
The previous prime is 3872221. The next prime is 3872237. The reversal of 3872223 is 3222783.
It is not a de Polignac number, because 3872223 - 21 = 3872221 is a prime.
It is a super-2 number, since 2×38722232 = 29988221923458, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3872221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048 + ... + 2973.
It is an arithmetic number, because the mean of its divisors is an integer number (470574).
Almost surely, 23872223 is an apocalyptic number.
3872223 is a deficient number, since it is larger than the sum of its proper divisors (1774665).
3872223 is a wasteful number, since it uses less digits than its factorization.
3872223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4134 (or 4131 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 3872223 is about 1967.7964833793. The cubic root of 3872223 is about 157.0315027322.
It can be divided in two parts, 3872 and 223, that added together give a triangular number (4095 = T90).
The spelling of 3872223 in words is "three million, eight hundred seventy-two thousand, two hundred twenty-three".
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