Base | Representation |
---|---|
bin | 1100110101101… |
… | …1000100010001 |
3 | 10202022212211201 |
4 | 3031123010101 |
5 | 102241203020 |
6 | 5202111201 |
7 | 1222502131 |
oct | 315330421 |
9 | 122285751 |
10 | 53850385 |
11 | 28440656 |
12 | 1604b501 |
13 | b205b44 |
14 | 721aac1 |
15 | 4adaa0a |
hex | 335b111 |
53850385 has 8 divisors (see below), whose sum is σ = 65840040. Its totient is φ = 42267264.
The previous prime is 53850371. The next prime is 53850403. The reversal of 53850385 is 58305835.
It can be written as a sum of positive squares in 4 ways, for example, as 20684304 + 33166081 = 4548^2 + 5759^2 .
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 53850385 - 27 = 53850257 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101340 + ... + 101869.
It is an arithmetic number, because the mean of its divisors is an integer number (8230005).
Almost surely, 253850385 is an apocalyptic number.
It is an amenable number.
53850385 is a deficient number, since it is larger than the sum of its proper divisors (11989655).
53850385 is a wasteful number, since it uses less digits than its factorization.
53850385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203267.
The product of its (nonzero) digits is 72000, while the sum is 37.
The square root of 53850385 is about 7338.2821559272. The cubic root of 53850385 is about 377.6269122865.
The spelling of 53850385 in words is "fifty-three million, eight hundred fifty thousand, three hundred eighty-five".
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