Base | Representation |
---|---|
bin | 1010001101110… |
… | …1111100110101 |
3 | 2222122010002122 |
4 | 2203131330311 |
5 | 41432232044 |
6 | 4130245325 |
7 | 1030144244 |
oct | 243357465 |
9 | 88563078 |
10 | 42852149 |
11 | 222094aa |
12 | 12426845 |
13 | 8b54b02 |
14 | 599695b |
15 | 3b66dee |
hex | 28ddf35 |
42852149 has 2 divisors, whose sum is σ = 42852150. Its totient is φ = 42852148.
The previous prime is 42852133. The next prime is 42852181. The reversal of 42852149 is 94125824.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 42706225 + 145924 = 6535^2 + 382^2 .
It is a cyclic number.
It is not a de Polignac number, because 42852149 - 24 = 42852133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42852119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21426074 + 21426075.
It is an arithmetic number, because the mean of its divisors is an integer number (21426075).
Almost surely, 242852149 is an apocalyptic number.
It is an amenable number.
42852149 is a deficient number, since it is larger than the sum of its proper divisors (1).
42852149 is an equidigital number, since it uses as much as digits as its factorization.
42852149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 23040, while the sum is 35.
The square root of 42852149 is about 6546.1552838288. The cubic root of 42852149 is about 349.9378093583.
The spelling of 42852149 in words is "forty-two million, eight hundred fifty-two thousand, one hundred forty-nine".
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