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52306668 = 2233974993
BaseRepresentation
bin1100011110001…
…0001011101100
310122102110021000
43013202023230
5101342303133
65105040300
71203412401
oct307421354
9118373230
1052306668
1127586857
1215626090
13aab52bb
146d382a8
1548d3413
hex31e22ec

52306668 has 48 divisors (see below), whose sum is σ = 137035360. Its totient is φ = 17252352.

The previous prime is 52306663. The next prime is 52306679. The reversal of 52306668 is 86660325.

52306668 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 (36).

It is not an unprimeable number, because it can be changed into a prime (52306663) 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, 7980 + ... + 12972.

Almost surely, 252306668 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 52306668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68517680).

52306668 is an abundant number, since it is smaller than the sum of its proper divisors (84728692).

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

52306668 is a wasteful number, since it uses less digits than its factorization.

52306668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 52306668 is about 7232.3348926885. The cubic root of 52306668 is about 373.9834226783.

The spelling of 52306668 in words is "fifty-two million, three hundred six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 97 108 194 291 388 582 873 1164 1746 2619 3492 4993 5238 9986 10476 14979 19972 29958 44937 59916 89874 134811 179748 269622 484321 539244 968642 1452963 1937284 2905926 4358889 5811852 8717778 13076667 17435556 26153334 52306668