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52550120 = 2357593181
BaseRepresentation
bin1100100001110…
…1100111101000
310122212211012202
43020131213220
5101423100440
65114155332
71205445230
oct310354750
9118784182
1052550120
1127732757
1215722b48
13ab6c05c
146d9ccc0
154930615
hex321d9e8

52550120 has 64 divisors (see below), whose sum is σ = 137462400. Its totient is φ = 17706240.

The previous prime is 52550119. The next prime is 52550123. The reversal of 52550120 is 2105525.

52550120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×525501202 = 5523030224028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52550092 and 52550101.

It is not an unprimeable number, because it can be changed into a prime (52550123) 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 15 ways as a sum of consecutive naturals, for example, 14930 + ... + 18110.

It is an arithmetic number, because the mean of its divisors is an integer number (2147850).

Almost surely, 252550120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52550120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68731200).

52550120 is an abundant number, since it is smaller than the sum of its proper divisors (84912280).

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

52550120 is a wasteful number, since it uses less digits than its factorization.

52550120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3254 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 52550120 is about 7249.1461566173. The cubic root of 52550120 is about 374.5627377435.

Adding to 52550120 its reverse (2105525), we get a palindrome (54655645).

The spelling of 52550120 in words is "fifty-two million, five hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 59 70 118 140 236 280 295 413 472 590 826 1180 1652 2065 2360 3181 3304 4130 6362 8260 12724 15905 16520 22267 25448 31810 44534 63620 89068 111335 127240 178136 187679 222670 375358 445340 750716 890680 938395 1313753 1501432 1876790 2627506 3753580 5255012 6568765 7507160 10510024 13137530 26275060 52550120