Base | Representation |
---|---|
bin | 1010001110011… |
… | …0101111000111 |
3 | 2222200221110110 |
4 | 2203212233013 |
5 | 41434410020 |
6 | 4131124103 |
7 | 1030354203 |
oct | 243465707 |
9 | 88627413 |
10 | 42888135 |
11 | 22233544 |
12 | 12443633 |
13 | 8b682c4 |
14 | 59a5b03 |
15 | 3b728e0 |
hex | 28e6bc7 |
42888135 has 16 divisors (see below), whose sum is σ = 69302880. Its totient is φ = 22646400.
The previous prime is 42888089. The next prime is 42888137. The reversal of 42888135 is 53188824.
It is not a de Polignac number, because 42888135 - 27 = 42888007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42888093 and 42888102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42888137) 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, 12640 + ... + 15669.
It is an arithmetic number, because the mean of its divisors is an integer number (4331430).
Almost surely, 242888135 is an apocalyptic number.
42888135 is a deficient number, since it is larger than the sum of its proper divisors (26414745).
42888135 is a wasteful number, since it uses less digits than its factorization.
42888135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28418.
The product of its digits is 61440, while the sum is 39.
The square root of 42888135 is about 6548.9033433087. The cubic root of 42888135 is about 350.0357378473.
The spelling of 42888135 in words is "forty-two million, eight hundred eighty-eight thousand, one hundred thirty-five".
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