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52303212 = 22331337253
BaseRepresentation
bin1100011110000…
…1010101101100
310122102021112000
43013201111230
5101342200322
65105012300
71203366333
oct307412554
9118367460
1052303212
11275841a5
1215624090
13aab3860
146d36d1a
1548d23ac
hex31e156c

52303212 has 48 divisors (see below), whose sum is σ = 146035680. Its totient is φ = 16092864.

The previous prime is 52303189. The next prime is 52303213. The reversal of 52303212 is 21230325.

52303212 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 (18).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52303213) 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, 17223 + ... + 20030.

It is an arithmetic number, because the mean of its divisors is an integer number (3042410).

Almost surely, 252303212 is an apocalyptic number.

52303212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52303212 is an abundant number, since it is smaller than the sum of its proper divisors (93732468).

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

52303212 is a wasteful number, since it uses less digits than its factorization.

52303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37279 (or 37271 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52303212 is about 7232.0959617527. The cubic root of 52303212 is about 373.9751859007.

Adding to 52303212 its reverse (21230325), we get a palindrome (73533537).

The spelling of 52303212 in words is "fifty-two million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 468 702 1404 37253 74506 111759 149012 223518 335277 447036 484289 670554 968578 1005831 1341108 1452867 1937156 2011662 2905734 4023324 4358601 5811468 8717202 13075803 17434404 26151606 52303212