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53430300 = 223352711257
BaseRepresentation
bin1100101111010…
…0100000011100
310201112112121000
43023310200130
5102134232200
65145110300
71216102320
oct313644034
9121475530
1053430300
1128183a80
1215a88390
13b0b9881
14714b980
154a56300
hex32f481c

53430300 has 288 divisors, whose sum is σ = 214986240. Its totient is φ = 11059200.

The previous prime is 53430287. The next prime is 53430301. The reversal of 53430300 is 303435.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 207772 + ... + 208028.

It is an arithmetic number, because the mean of its divisors is an integer number (746480).

Almost surely, 253430300 is an apocalyptic number.

53430300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107493120).

53430300 is an abundant number, since it is smaller than the sum of its proper divisors (161555940).

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

53430300 is a wasteful number, since it uses less digits than its factorization.

53430300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 53430300 is about 7309.6032724082. The cubic root of 53430300 is about 376.6423962573.

Adding to 53430300 its reverse (303435), we get a palindrome (53733735).

The spelling of 53430300 in words is "fifty-three million, four hundred thirty thousand, three hundred".