Search a number
-
+
53100253 = 241220333
BaseRepresentation
bin1100101010001…
…1111011011101
310200220202212001
43022203323131
5102043202003
65134042301
71213226143
oct312437335
9120822761
1053100253
1127a79008
1215949391
13b00258b
1470a3593
1549dd61d
hex32a3edd

53100253 has 4 divisors (see below), whose sum is σ = 53320828. Its totient is φ = 52879680.

The previous prime is 53100239. The next prime is 53100259. The reversal of 53100253 is 35200135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43533604 + 9566649 = 6598^2 + 3093^2 .

It is a cyclic number.

It is not a de Polignac number, because 53100253 - 25 = 53100221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53100253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53100259) 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, 109926 + ... + 110407.

It is an arithmetic number, because the mean of its divisors is an integer number (13330207).

Almost surely, 253100253 is an apocalyptic number.

It is an amenable number.

53100253 is a deficient number, since it is larger than the sum of its proper divisors (220575).

53100253 is a wasteful number, since it uses less digits than its factorization.

53100253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220574.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53100253 is about 7286.9920406159. The cubic root of 53100253 is about 375.8652683300.

Adding to 53100253 its reverse (35200135), we get a palindrome (88300388).

The spelling of 53100253 in words is "fifty-three million, one hundred thousand, two hundred fifty-three".

Divisors: 1 241 220333 53100253