Base | Representation |
---|---|
bin | 1010001000010… |
… | …0110000100011 |
3 | 2221221112221220 |
4 | 2202010300203 |
5 | 41334034234 |
6 | 4114350123 |
7 | 1024063164 |
oct | 242046043 |
9 | 87845856 |
10 | 42486819 |
11 | 21a89a81 |
12 | 1228b343 |
13 | 8a5773b |
14 | 58dd76b |
15 | 3ae3a49 |
hex | 2884c23 |
42486819 has 8 divisors (see below), whose sum is σ = 59112192. Its totient is φ = 27093000.
The previous prime is 42486817. The next prime is 42486877. The reversal of 42486819 is 91868424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42486819 - 21 = 42486817 is a prime.
It is a super-2 number, since 2×424868192 = 3610259577477522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42486817) 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, 307807 + ... + 307944.
It is an arithmetic number, because the mean of its divisors is an integer number (7389024).
Almost surely, 242486819 is an apocalyptic number.
42486819 is a deficient number, since it is larger than the sum of its proper divisors (16625373).
42486819 is a wasteful number, since it uses less digits than its factorization.
42486819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 615777.
The product of its digits is 110592, while the sum is 42.
The square root of 42486819 is about 6518.1913902554. The cubic root of 42486819 is about 348.9405212771.
The spelling of 42486819 in words is "forty-two million, four hundred eighty-six thousand, eight hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •