Base | Representation |
---|---|
bin | 1100110100001… |
… | …1000100101101 |
3 | 10202010220000212 |
4 | 3031003010231 |
5 | 102230031414 |
6 | 5200032205 |
7 | 1221612455 |
oct | 315030455 |
9 | 122126025 |
10 | 53752109 |
11 | 28383834 |
12 | 16002665 |
13 | b1a01a8 |
14 | 71d2d65 |
15 | 4abb83e |
hex | 334312d |
53752109 has 8 divisors (see below), whose sum is σ = 57400320. Its totient is φ = 50223600.
The previous prime is 53752063. The next prime is 53752117. The reversal of 53752109 is 90125735.
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 53752109 - 28 = 53751853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53752129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28997 + ... + 30794.
It is an arithmetic number, because the mean of its divisors is an integer number (7175040).
Almost surely, 253752109 is an apocalyptic number.
It is an amenable number.
53752109 is a deficient number, since it is larger than the sum of its proper divisors (3648211).
53752109 is a wasteful number, since it uses less digits than its factorization.
53752109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59851.
The product of its (nonzero) digits is 9450, while the sum is 32.
The square root of 53752109 is about 7331.5829805029. The cubic root of 53752109 is about 377.3970515876.
The spelling of 53752109 in words is "fifty-three million, seven hundred fifty-two thousand, one hundred nine".
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