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53222201 = 428912409
BaseRepresentation
bin1100101100000…
…1101100111001
310201010222010122
43023001230321
5102111102301
65140423025
71214244524
oct313015471
9121128118
1053222201
112805169a
12159a7a75
13b045c36
1470d5bbb
154a1481b
hex32c1b39

53222201 has 4 divisors (see below), whose sum is σ = 53238900. Its totient is φ = 53205504.

The previous prime is 53222179. The next prime is 53222203. The reversal of 53222201 is 10222235.

53222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24492601 + 28729600 = 4949^2 + 5360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53222201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53222201.

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 3 ways as a sum of consecutive naturals, for example, 1916 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (13309725).

Almost surely, 253222201 is an apocalyptic number.

It is an amenable number.

53222201 is a deficient number, since it is larger than the sum of its proper divisors (16699).

53222201 is a wasteful number, since it uses less digits than its factorization.

53222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53222201 is about 7295.3547549108. The cubic root of 53222201 is about 376.1527809214.

Adding to 53222201 its reverse (10222235), we get a palindrome (63444436).

The spelling of 53222201 in words is "fifty-three million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 4289 12409 53222201