Base | Representation |
---|---|
bin | 1010000101000… |
… | …0111110000001 |
3 | 2221112202222020 |
4 | 2201100332001 |
5 | 41310242224 |
6 | 4110032053 |
7 | 1022220552 |
oct | 241207601 |
9 | 87482866 |
10 | 42274689 |
11 | 21954666 |
12 | 121a8629 |
13 | 89b2012 |
14 | 5886329 |
15 | 3aa0c79 |
hex | 2850f81 |
42274689 has 8 divisors (see below), whose sum is σ = 56450592. Its totient is φ = 28140960.
The previous prime is 42274679. The next prime is 42274703. The reversal of 42274689 is 98647224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42274689 - 25 = 42274657 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42274689.
It is not an unprimeable number, because it can be changed into a prime (42274619) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124 + ... + 12269.
It is an arithmetic number, because the mean of its divisors is an integer number (7056324).
Almost surely, 242274689 is an apocalyptic number.
It is an amenable number.
42274689 is a deficient number, since it is larger than the sum of its proper divisors (14175903).
42274689 is a wasteful number, since it uses less digits than its factorization.
42274689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21087.
The product of its digits is 193536, while the sum is 42.
The square root of 42274689 is about 6501.8988764822. The cubic root of 42274689 is about 348.3588170475.
The spelling of 42274689 in words is "forty-two million, two hundred seventy-four thousand, six hundred eighty-nine".
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