Base | Representation |
---|---|
bin | 1010001110100… |
… | …0001000010100 |
3 | 2222201020021220 |
4 | 2203220020110 |
5 | 41440100334 |
6 | 4131210340 |
7 | 1030406640 |
oct | 243501024 |
9 | 88636256 |
10 | 42893844 |
11 | 22237864 |
12 | 124469b0 |
13 | 8b6aa96 |
14 | 59a7c20 |
15 | 3b74449 |
hex | 28e8214 |
42893844 has 48 divisors (see below), whose sum is σ = 114713088. Its totient is φ = 12220128.
The previous prime is 42893843. The next prime is 42893867. The reversal of 42893844 is 44839824.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 42893796 and 42893805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42893843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46839 + ... + 47745.
It is an arithmetic number, because the mean of its divisors is an integer number (2389856).
Almost surely, 242893844 is an apocalyptic number.
It is an amenable number.
42893844 is an abundant number, since it is smaller than the sum of its proper divisors (71819244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42893844 is a wasteful number, since it uses less digits than its factorization.
42893844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1484 (or 1482 counting only the distinct ones).
The product of its digits is 221184, while the sum is 42.
The square root of 42893844 is about 6549.3392033090. The cubic root of 42893844 is about 350.0512686802.
The spelling of 42893844 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred forty-four".
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