Base | Representation |
---|---|
bin | 1100101101110… |
… | …1010111000001 |
3 | 10201100201112111 |
4 | 3023131113001 |
5 | 102123213424 |
6 | 5143055321 |
7 | 1215226024 |
oct | 313352701 |
9 | 121321474 |
10 | 53335489 |
11 | 28119819 |
12 | 15a41541 |
13 | b08567c |
14 | 71251bb |
15 | 4a38194 |
hex | 32dd5c1 |
53335489 has 4 divisors (see below), whose sum is σ = 56142640. Its totient is φ = 50528340.
The previous prime is 53335487. The next prime is 53335501. The reversal of 53335489 is 98453335.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98453335 = 5 ⋅19690667.
It is a cyclic number.
It is not a de Polignac number, because 53335489 - 21 = 53335487 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53335481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403547 + ... + 1403584.
It is an arithmetic number, because the mean of its divisors is an integer number (14035660).
Almost surely, 253335489 is an apocalyptic number.
It is an amenable number.
53335489 is a deficient number, since it is larger than the sum of its proper divisors (2807151).
53335489 is a wasteful number, since it uses less digits than its factorization.
53335489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2807150.
The product of its digits is 194400, while the sum is 40.
The square root of 53335489 is about 7303.1150203184. The cubic root of 53335489 is about 376.4194828841.
It can be divided in two parts, 53335 and 489, that added together give a square (53824 = 2322).
The spelling of 53335489 in words is "fifty-three million, three hundred thirty-five thousand, four hundred eighty-nine".
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