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52140104 = 23193773127
BaseRepresentation
bin1100011011100…
…1100001001000
310122002222202222
43012321201020
5101321440404
65101313212
71202116652
oct306714110
9118088688
1052140104
11274826a5
1215565808
13aa57543
146cd36d2
15489ddbe
hex31b9848

52140104 has 64 divisors (see below), whose sum is σ = 107980800. Its totient is φ = 23514624.

The previous prime is 52140097. The next prime is 52140131. The reversal of 52140104 is 40104125.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410489 + ... + 410615.

It is an arithmetic number, because the mean of its divisors is an integer number (1687200).

Almost surely, 252140104 is an apocalyptic number.

It is an amenable number.

52140104 is an abundant number, since it is smaller than the sum of its proper divisors (55840696).

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

52140104 is a wasteful number, since it uses less digits than its factorization.

52140104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 52140104 is about 7220.8104808255. The cubic root of 52140104 is about 373.5860328557.

Adding to 52140104 its reverse (40104125), we get a palindrome (92244229).

The spelling of 52140104 in words is "fifty-two million, one hundred forty thousand, one hundred four".

Divisors: 1 2 4 8 19 37 38 73 74 76 127 146 148 152 254 292 296 508 584 703 1016 1387 1406 2413 2701 2774 2812 4699 4826 5402 5548 5624 9271 9398 9652 10804 11096 18542 18796 19304 21608 37084 37592 51319 74168 89281 102638 176149 178562 205276 343027 352298 357124 410552 686054 704596 714248 1372108 1409192 2744216 6517513 13035026 26070052 52140104