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53664100 = 22527312473
BaseRepresentation
bin1100110010110…
…1100101100100
310201222102022021
43030231211210
5102214222400
65154112524
71221065050
oct314554544
9121872267
1053664100
11283236a6
1215b7b744
13b16c109
1471acc60
154aa071a
hex332d964

53664100 has 72 divisors (see below), whose sum is σ = 137435648. Its totient is φ = 17798400.

The previous prime is 53664077. The next prime is 53664101. The reversal of 53664100 is 146635.

53664100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (53664101) 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 23 ways as a sum of consecutive naturals, for example, 20464 + ... + 22936.

Almost surely, 253664100 is an apocalyptic number.

53664100 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 53664100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68717824).

53664100 is an abundant number, since it is smaller than the sum of its proper divisors (83771548).

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

53664100 is a wasteful number, since it uses less digits than its factorization.

53664100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53664100 is about 7325.5784754516. The cubic root of 53664100 is about 377.1909667682.

The spelling of 53664100 in words is "fifty-three million, six hundred sixty-four thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 31 35 50 62 70 100 124 140 155 175 217 310 350 434 620 700 775 868 1085 1550 2170 2473 3100 4340 4946 5425 9892 10850 12365 17311 21700 24730 34622 49460 61825 69244 76663 86555 123650 153326 173110 247300 306652 346220 383315 432775 536641 766630 865550 1073282 1533260 1731100 1916575 2146564 2683205 3833150 5366410 7666300 10732820 13416025 26832050 53664100