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53723223 = 333753777
BaseRepresentation
bin1100110011110…
…0000001010111
310202002102102000
43030330001113
5102223120343
65155250343
71221432321
oct314740127
9122072360
1053723223
1128364064
1215ba99b3
13b18ccb8
1471c6611
154ab2ed3
hex333c057

53723223 has 16 divisors (see below), whose sum is σ = 81742560. Its totient is φ = 34846848.

The previous prime is 53723221. The next prime is 53723227. The reversal of 53723223 is 32232735.

53723223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53723223 - 21 = 53723221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53723221) 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, 25890 + ... + 27887.

It is an arithmetic number, because the mean of its divisors is an integer number (5108910).

Almost surely, 253723223 is an apocalyptic number.

53723223 is a deficient number, since it is larger than the sum of its proper divisors (28019337).

53723223 is a wasteful number, since it uses less digits than its factorization.

53723223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53823 (or 53817 counting only the distinct ones).

The product of its digits is 7560, while the sum is 27.

The square root of 53723223 is about 7329.6127455685. The cubic root of 53723223 is about 377.3294359795.

Adding to 53723223 its reverse (32232735), we get a palindrome (85955958).

The spelling of 53723223 in words is "fifty-three million, seven hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 3 9 27 37 111 333 999 53777 161331 483993 1451979 1989749 5969247 17907741 53723223