Base | Representation |
---|---|
bin | 1100101011110… |
… | …1100100000011 |
3 | 10201010002212212 |
4 | 3022331210003 |
5 | 102110032001 |
6 | 5140212335 |
7 | 1214144231 |
oct | 312754403 |
9 | 121102785 |
10 | 53205251 |
11 | 2803a990 |
12 | 1599a0ab |
13 | b03b2c8 |
14 | 70cd951 |
15 | 4a0e7bb |
hex | 32bd903 |
53205251 has 8 divisors (see below), whose sum is σ = 58166208. Its totient is φ = 48265000.
The previous prime is 53205239. The next prime is 53205283. The reversal of 53205251 is 15250235.
53205251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 53205251 - 214 = 53188867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53205221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476 + ... + 10326.
It is an arithmetic number, because the mean of its divisors is an integer number (7270776).
Almost surely, 253205251 is an apocalyptic number.
53205251 is a deficient number, since it is larger than the sum of its proper divisors (4960957).
53205251 is a wasteful number, since it uses less digits than its factorization.
53205251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10353.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 53205251 is about 7294.1929642696. The cubic root of 53205251 is about 376.1128447890.
Adding to 53205251 its reverse (15250235), we get a palindrome (68455486).
The spelling of 53205251 in words is "fifty-three million, two hundred five thousand, two hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •