Base | Representation |
---|---|
bin | 1010001011001… |
… | …1000111111000 |
3 | 2222022012110120 |
4 | 2202303013320 |
5 | 41411123403 |
6 | 4122413240 |
7 | 1025513643 |
oct | 242630770 |
9 | 88265416 |
10 | 42676728 |
11 | 220a9726 |
12 | 12361220 |
13 | 8ac3003 |
14 | 594ca5a |
15 | 3b2ee53 |
hex | 28b31f8 |
42676728 has 16 divisors (see below), whose sum is σ = 106691880. Its totient is φ = 14225568.
The previous prime is 42676727. The next prime is 42676741. The reversal of 42676728 is 82767624.
42676728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×426767282 = 3642606225571968, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 42676728.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42676721) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889075 + ... + 889122.
Almost surely, 242676728 is an apocalyptic number.
It is an amenable number.
42676728 is an abundant number, since it is smaller than the sum of its proper divisors (64015152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42676728 is a wasteful number, since it uses less digits than its factorization.
42676728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1778206 (or 1778202 counting only the distinct ones).
The product of its digits is 225792, while the sum is 42.
The square root of 42676728 is about 6532.7427624238. The cubic root of 42676728 is about 349.4596505616.
The spelling of 42676728 in words is "forty-two million, six hundred seventy-six thousand, seven hundred twenty-eight".
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