Base | Representation |
---|---|
bin | 1010001001010… |
… | …1000001111001 |
3 | 2222001221101021 |
4 | 2202111001321 |
5 | 41343202330 |
6 | 4120022441 |
7 | 1024461403 |
oct | 242250171 |
9 | 88057337 |
10 | 42553465 |
11 | 22025059 |
12 | 12301a21 |
13 | 8a7bb86 |
14 | 5919b73 |
15 | 3b0867a |
hex | 2895079 |
42553465 has 8 divisors (see below), whose sum is σ = 54068040. Its totient is φ = 32040192.
The previous prime is 42553453. The next prime is 42553487. The reversal of 42553465 is 56435524.
It can be written as a sum of positive squares in 4 ways, for example, as 2913849 + 39639616 = 1707^2 + 6296^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42553465 - 211 = 42551417 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42553465.
It is an unprimeable number.
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, 250230 + ... + 250399.
It is an arithmetic number, because the mean of its divisors is an integer number (6758505).
Almost surely, 242553465 is an apocalyptic number.
It is an amenable number.
42553465 is a deficient number, since it is larger than the sum of its proper divisors (11514575).
42553465 is a wasteful number, since it uses less digits than its factorization.
42553465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500651.
The product of its digits is 72000, while the sum is 34.
The square root of 42553465 is about 6523.3016946942. The cubic root of 42553465 is about 349.1228785460.
Adding to 42553465 its reverse (56435524), we get a palindrome (98988989).
The spelling of 42553465 in words is "forty-two million, five hundred fifty-three thousand, four hundred sixty-five".
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