Base | Representation |
---|---|
bin | 1010000001001… |
… | …1001111111100 |
3 | 2221001221012002 |
4 | 2200103033330 |
5 | 41224200014 |
6 | 4100401432 |
7 | 1020115532 |
oct | 240231774 |
9 | 87057162 |
10 | 42021884 |
11 | 217a1733 |
12 | 120a6278 |
13 | 8923c28 |
14 | 581c152 |
15 | 3a50dde |
hex | 28133fc |
42021884 has 24 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 20261120.
The previous prime is 42021883. The next prime is 42021907. The reversal of 42021884 is 48812024.
42021884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42021883) 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 7 ways as a sum of consecutive naturals, for example, 13157 + ... + 16035.
It is an arithmetic number, because the mean of its divisors is an integer number (3175200).
Almost surely, 242021884 is an apocalyptic number.
It is an amenable number.
42021884 is a deficient number, since it is larger than the sum of its proper divisors (34182916).
42021884 is a wasteful number, since it uses less digits than its factorization.
42021884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3013 (or 3011 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 29.
The square root of 42021884 is about 6482.4288657879. The cubic root of 42021884 is about 347.6630265196.
The spelling of 42021884 in words is "forty-two million, twenty-one thousand, eight hundred eighty-four".
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