Base | Representation |
---|---|
bin | 1100101011111… |
… | …1010101010101 |
3 | 10201010110211101 |
4 | 3022333111111 |
5 | 102110300001 |
6 | 5140310101 |
7 | 1214204326 |
oct | 312772525 |
9 | 121113741 |
10 | 53212501 |
11 | 28045381 |
12 | 159a2331 |
13 | b0416b4 |
14 | 70d244d |
15 | 4a11a01 |
hex | 32bf555 |
53212501 has 8 divisors (see below), whose sum is σ = 55774080. Its totient is φ = 50671632.
The previous prime is 53212487. The next prime is 53212529. The reversal of 53212501 is 10521235.
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 53212501 - 25 = 53212469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53212541) 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, 216 + ... + 10318.
It is an arithmetic number, because the mean of its divisors is an integer number (6971760).
Almost surely, 253212501 is an apocalyptic number.
It is an amenable number.
53212501 is a deficient number, since it is larger than the sum of its proper divisors (2561579).
53212501 is a wasteful number, since it uses less digits than its factorization.
53212501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10355.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 53212501 is about 7294.6899180157. The cubic root of 53212501 is about 376.1299276535.
Adding to 53212501 its reverse (10521235), we get a palindrome (63733736).
The spelling of 53212501 in words is "fifty-three million, two hundred twelve thousand, five hundred one".
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