Base | Representation |
---|---|
bin | 1010001000001… |
… | …0111010100101 |
3 | 2221221011121021 |
4 | 2202002322211 |
5 | 41333314034 |
6 | 4114251141 |
7 | 1024032160 |
oct | 242027245 |
9 | 87834537 |
10 | 42479269 |
11 | 21a84338 |
12 | 12286ab1 |
13 | 8a54181 |
14 | 58daad7 |
15 | 3ae16b4 |
hex | 2882ea5 |
42479269 has 16 divisors (see below), whose sum is σ = 52756480. Its totient is φ = 33378480.
The previous prime is 42479263. The next prime is 42479279. The reversal of 42479269 is 96297424.
It is a cyclic number.
It is not a de Polignac number, because 42479269 - 29 = 42478757 is a prime.
It is a super-2 number, since 2×424792692 = 3608976589548722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42479263) 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 15 ways as a sum of consecutive naturals, for example, 1029 + ... + 9274.
It is an arithmetic number, because the mean of its divisors is an integer number (3297280).
Almost surely, 242479269 is an apocalyptic number.
It is an amenable number.
42479269 is a deficient number, since it is larger than the sum of its proper divisors (10277211).
42479269 is a wasteful number, since it uses less digits than its factorization.
42479269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10360.
The product of its digits is 217728, while the sum is 43.
The square root of 42479269 is about 6517.6122161417. The cubic root of 42479269 is about 348.9198508899.
The spelling of 42479269 in words is "forty-two million, four hundred seventy-nine thousand, two hundred sixty-nine".
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