Base | Representation |
---|---|
bin | 1010001110010… |
… | …1110100000101 |
3 | 2222200202021112 |
4 | 2203211310011 |
5 | 41434244412 |
6 | 4131054405 |
7 | 1030340165 |
oct | 243456405 |
9 | 88622245 |
10 | 42884357 |
11 | 2223071a |
12 | 12441405 |
13 | 8b66679 |
14 | 59a45a5 |
15 | 3b71722 |
hex | 28e5d05 |
42884357 has 4 divisors (see below), whose sum is σ = 43401120. Its totient is φ = 42367596.
The previous prime is 42884333. The next prime is 42884363. The reversal of 42884357 is 75348824.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42884357 - 212 = 42880261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42884057) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258257 + ... + 258422.
It is an arithmetic number, because the mean of its divisors is an integer number (10850280).
Almost surely, 242884357 is an apocalyptic number.
It is an amenable number.
42884357 is a deficient number, since it is larger than the sum of its proper divisors (516763).
42884357 is an equidigital number, since it uses as much as digits as its factorization.
42884357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516762.
The product of its digits is 215040, while the sum is 41.
The square root of 42884357 is about 6548.6148917157. The cubic root of 42884357 is about 350.0254593725.
The spelling of 42884357 in words is "forty-two million, eight hundred eighty-four thousand, three hundred fifty-seven".
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