Base | Representation |
---|---|
bin | 1010001110110… |
… | …0001111111111 |
3 | 2222202002102220 |
4 | 2203230033333 |
5 | 41441120334 |
6 | 4131420423 |
7 | 1030510065 |
oct | 243541777 |
9 | 88662386 |
10 | 42910719 |
11 | 22249505 |
12 | 12454713 |
13 | 8b75677 |
14 | 59b0035 |
15 | 3b79449 |
hex | 28ec3ff |
42910719 has 4 divisors (see below), whose sum is σ = 57214296. Its totient is φ = 28607144.
The previous prime is 42910711. The next prime is 42910739. The reversal of 42910719 is 91701924.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42910719 - 23 = 42910711 is a prime.
It is a super-2 number, since 2×429107192 = 3682659610193922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 42910719.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42910711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151784 + ... + 7151789.
It is an arithmetic number, because the mean of its divisors is an integer number (14303574).
Almost surely, 242910719 is an apocalyptic number.
42910719 is a deficient number, since it is larger than the sum of its proper divisors (14303577).
42910719 is a wasteful number, since it uses less digits than its factorization.
42910719 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14303576.
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 42910719 is about 6550.6273745344. The cubic root of 42910719 is about 350.0971675795.
The spelling of 42910719 in words is "forty-two million, nine hundred ten thousand, seven hundred nineteen".
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