Base | Representation |
---|---|
bin | 1010000001001… |
… | …0110101011000 |
3 | 2221001211212010 |
4 | 2200102311120 |
5 | 41224121214 |
6 | 4100345520 |
7 | 1020110553 |
oct | 240226530 |
9 | 87054763 |
10 | 42020184 |
11 | 217a0428 |
12 | 120a52a0 |
13 | 892321b |
14 | 581b69a |
15 | 3a50659 |
hex | 2812d58 |
42020184 has 32 divisors (see below), whose sum is σ = 106038720. Its totient is φ = 13874976.
The previous prime is 42020171. The next prime is 42020201. The reversal of 42020184 is 48102024.
It is a self number, because there is not a number n which added to its sum of digits gives 42020184.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5614 + ... + 10749.
It is an arithmetic number, because the mean of its divisors is an integer number (3313710).
Almost surely, 242020184 is an apocalyptic number.
It is an amenable number.
42020184 is an abundant number, since it is smaller than the sum of its proper divisors (64018536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42020184 is a wasteful number, since it uses less digits than its factorization.
42020184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16479 (or 16475 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 42020184 is about 6482.2977407706. The cubic root of 42020184 is about 347.6583382075.
The spelling of 42020184 in words is "forty-two million, twenty thousand, one hundred eighty-four".
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