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52851204 = 2234723329
BaseRepresentation
bin1100100110011…
…1001000000100
310200110010020000
43021213020010
5102012214304
65124441300
71211141100
oct311471004
9120403200
1052851204
112791898a
1215849230
13ac46103
14703a900
15498e939
hex3267204

52851204 has 90 divisors (see below), whose sum is σ = 160769070. Its totient is φ = 15095808.

The previous prime is 52851167. The next prime is 52851209. The reversal of 52851204 is 40215825.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 9922500 = 6552^2 + 3150^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52851209) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14212 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (1786323).

Almost surely, 252851204 is an apocalyptic number.

52851204 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 52851204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80384535).

52851204 is an abundant number, since it is smaller than the sum of its proper divisors (107917866).

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

52851204 is a wasteful number, since it uses less digits than its factorization.

52851204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 52851204 is about 7269.8833553228. The cubic root of 52851204 is about 375.2767237470.

The spelling of 52851204 in words is "fifty-two million, eight hundred fifty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 252 294 324 378 441 567 588 756 882 1134 1323 1764 2268 2646 3329 3969 5292 6658 7938 9987 13316 15876 19974 23303 29961 39948 46606 59922 69909 89883 93212 119844 139818 163121 179766 209727 269649 279636 326242 359532 419454 489363 539298 629181 652484 838908 978726 1078596 1258362 1468089 1887543 1957452 2516724 2936178 3775086 4404267 5872356 7550172 8808534 13212801 17617068 26425602 52851204