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53180064 = 25357977
BaseRepresentation
bin1100101011011…
…1011010100000
310201001211100000
43022313122200
5102103230224
65135500000
71214010630
oct312673240
9121054300
1053180064
1128022a73
1215987600
13b02c9c2
1470c46c0
154a070c9
hex32b76a0

53180064 has 144 divisors (see below), whose sum is σ = 179419968. Its totient is φ = 15178752.

The previous prime is 53180047. The next prime is 53180167. The reversal of 53180064 is 46008135.

53180064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 53944 + ... + 54920.

It is an arithmetic number, because the mean of its divisors is an integer number (1245972).

Almost surely, 253180064 is an apocalyptic number.

53180064 is a gapful number since it is divisible by the number (54) 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 53180064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89709984).

53180064 is an abundant number, since it is smaller than the sum of its proper divisors (126239904).

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

53180064 is an equidigital number, since it uses as much as digits as its factorization.

53180064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53180064 is about 7292.4662494934. The cubic root of 53180064 is about 376.0534856764.

Adding to 53180064 its reverse (46008135), we get a palindrome (99188199).

The spelling of 53180064 in words is "fifty-three million, one hundred eighty thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 243 252 288 324 336 378 432 486 504 567 648 672 756 864 972 977 1008 1134 1296 1512 1701 1944 1954 2016 2268 2592 2931 3024 3402 3888 3908 4536 5862 6048 6804 6839 7776 7816 8793 9072 11724 13608 13678 15632 17586 18144 20517 23448 26379 27216 27356 31264 35172 41034 46896 52758 54432 54712 61551 70344 79137 82068 93792 105516 109424 123102 140688 158274 164136 184653 211032 218848 237411 246204 281376 316548 328272 369306 422064 474822 492408 553959 633096 656544 738612 844128 949644 984816 1107918 1266192 1477224 1661877 1899288 1969632 2215836 2532384 2954448 3323754 3798576 4431672 5908896 6647508 7597152 8863344 13295016 17726688 26590032 53180064