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53222202 = 23211389691
BaseRepresentation
bin1100101100000…
…1101100111010
310201010222010200
43023001230322
5102111102302
65140423030
71214244525
oct313015472
9121128120
1053222202
11280516a0
12159a7a76
13b045c37
1470d5bbc
154a1481c
hex32c1b3a

53222202 has 48 divisors (see below), whose sum is σ = 126303840. Its totient is φ = 16063200.

The previous prime is 53222179. The next prime is 53222203. The reversal of 53222202 is 20222235.

53222202 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 not an unprimeable number, because it can be changed into a prime (53222203) 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 23 ways as a sum of consecutive naturals, for example, 76677 + ... + 77367.

It is an arithmetic number, because the mean of its divisors is an integer number (2631330).

Almost surely, 253222202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63151920).

53222202 is an abundant number, since it is smaller than the sum of its proper divisors (73081638).

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

53222202 is a wasteful number, since it uses less digits than its factorization.

53222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 53222202 is about 7295.3548234476. The cubic root of 53222202 is about 376.1527832773.

Adding to 53222202 its reverse (20222235), we get a palindrome (73444437).

The spelling of 53222202 in words is "fifty-three million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 389 691 778 1167 1382 2073 2334 3501 4146 4279 6219 7002 7601 8558 12438 12837 15202 22803 25674 38511 45606 68409 77022 136818 268799 537598 806397 1612794 2419191 2956789 4838382 5913578 8870367 17740734 26611101 53222202