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53212050 = 23252118249
BaseRepresentation
bin1100101011111…
…1001110010010
310201010110012200
43022333032102
5102110241200
65140304030
71214203113
oct312771622
9121113180
1053212050
1128045001
12159a2016
13b041428
1470d220a
154a11800
hex32bf392

53212050 has 36 divisors (see below), whose sum is σ = 142964250. Its totient is φ = 14189760.

The previous prime is 53212021. The next prime is 53212051. The reversal of 53212050 is 5021235.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31505769 + 21706281 = 5613^2 + 4659^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53212051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58675 + ... + 59574.

Almost surely, 253212050 is an apocalyptic number.

53212050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53212050 is an abundant number, since it is smaller than the sum of its proper divisors (89752200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53212050 is a wasteful number, since it uses less digits than its factorization.

53212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118267 (or 118259 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53212050 is about 7294.6590050529. The cubic root of 53212050 is about 376.1288650268.

Adding to 53212050 its reverse (5021235), we get a palindrome (58233285).

The spelling of 53212050 in words is "fifty-three million, two hundred twelve thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 118249 236498 354747 591245 709494 1064241 1182490 1773735 2128482 2956225 3547470 5321205 5912450 8868675 10642410 17737350 26606025 53212050