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52186288 = 2471142359
BaseRepresentation
bin1100011100010…
…0110010110000
310122012100010111
43013010302300
5101324430123
65102311104
71202401420
oct307046260
9118170114
1052186288
1127504370
1215588494
13aa7257b
146d06480
1548ac90d
hex31c4cb0

52186288 has 40 divisors (see below), whose sum is σ = 126063360. Its totient is φ = 20331840.

The previous prime is 52186279. The next prime is 52186327. The reversal of 52186288 is 88268125.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52186288.

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 7 ways as a sum of consecutive naturals, for example, 19948 + ... + 22411.

It is an arithmetic number, because the mean of its divisors is an integer number (3151584).

Almost surely, 252186288 is an apocalyptic number.

It is an amenable number.

52186288 is an abundant number, since it is smaller than the sum of its proper divisors (73877072).

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

52186288 is a wasteful number, since it uses less digits than its factorization.

52186288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42385 (or 42379 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 52186288 is about 7224.0077519338. The cubic root of 52186288 is about 373.6963037365.

The spelling of 52186288 in words is "fifty-two million, one hundred eighty-six thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 42359 84718 169436 296513 338872 465949 593026 677744 931898 1186052 1863796 2372104 3261643 3727592 4744208 6523286 7455184 13046572 26093144 52186288