Base | Representation |
---|---|
bin | 1010000101000… |
… | …0110101100101 |
3 | 2221112202020020 |
4 | 2201100311211 |
5 | 41310233044 |
6 | 4110025353 |
7 | 1022216151 |
oct | 241206545 |
9 | 87482206 |
10 | 42274149 |
11 | 21954215 |
12 | 121a8259 |
13 | 89b19b8 |
14 | 5886061 |
15 | 3aa0a19 |
hex | 2850d65 |
42274149 has 8 divisors (see below), whose sum is σ = 57321120. Its totient is φ = 27704976.
The previous prime is 42274147. The next prime is 42274151. The reversal of 42274149 is 94147224.
It is an interprime number because it is at equal distance from previous prime (42274147) and next prime (42274151).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42274149 - 21 = 42274147 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42274147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119242 + ... + 119595.
It is an arithmetic number, because the mean of its divisors is an integer number (7165140).
Almost surely, 242274149 is an apocalyptic number.
It is an amenable number.
42274149 is a deficient number, since it is larger than the sum of its proper divisors (15046971).
42274149 is a wasteful number, since it uses less digits than its factorization.
42274149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238899.
The product of its digits is 16128, while the sum is 33.
The square root of 42274149 is about 6501.8573500193. The cubic root of 42274149 is about 348.3573337756.
The spelling of 42274149 in words is "forty-two million, two hundred seventy-four thousand, one hundred forty-nine".
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