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52254321 = 3723108187
BaseRepresentation
bin1100011101010…
…1011001110001
310122022210110020
43013111121301
5101334114241
65103554053
71203103650
oct307253161
9118283406
1052254321
1127550499
12155bb929
13aa97522
146d23197
1548c2b66
hex31d5671

52254321 has 16 divisors (see below), whose sum is σ = 83088384. Its totient is φ = 28561104.

The previous prime is 52254289. The next prime is 52254337. The reversal of 52254321 is 12345225.

It is not a de Polignac number, because 52254321 - 25 = 52254289 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52254291 and 52254300.

It is not an unprimeable number, because it can be changed into a prime (52254341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53611 + ... + 54576.

It is an arithmetic number, because the mean of its divisors is an integer number (5193024).

Almost surely, 252254321 is an apocalyptic number.

It is an amenable number.

52254321 is a deficient number, since it is larger than the sum of its proper divisors (30834063).

52254321 is a wasteful number, since it uses less digits than its factorization.

52254321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108220.

The product of its digits is 2400, while the sum is 24.

The square root of 52254321 is about 7228.7150310411. The cubic root of 52254321 is about 373.8586237743.

Adding to 52254321 its reverse (12345225), we get a palindrome (64599546).

The spelling of 52254321 in words is "fifty-two million, two hundred fifty-four thousand, three hundred twenty-one".

Divisors: 1 3 7 21 23 69 161 483 108187 324561 757309 2271927 2488301 7464903 17418107 52254321