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52220353 is a prime number
BaseRepresentation
bin1100011100110…
…1000111000001
310122021001212011
43013031013001
5101332022403
65103132521
71202602633
oct307150701
9118231764
1052220353
1127527a19
12155a4141
13aa84c23
146d14a53
1548b7a6d
hex31cd1c1

52220353 has 2 divisors, whose sum is σ = 52220354. Its totient is φ = 52220352.

The previous prime is 52220323. The next prime is 52220359. The reversal of 52220353 is 35302225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29724304 + 22496049 = 5452^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 52220353 - 217 = 52089281 is a prime.

It is equal to p3126226 and since 52220353 and 3126226 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52220359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110176 + 26110177.

It is an arithmetic number, because the mean of its divisors is an integer number (26110177).

Almost surely, 252220353 is an apocalyptic number.

It is an amenable number.

52220353 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220353 is an equidigital number, since it uses as much as digits as its factorization.

52220353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 52220353 is about 7226.3651305480. The cubic root of 52220353 is about 373.7775970942. Note that the first 3 decimals are identical.

Adding to 52220353 its reverse (35302225), we get a palindrome (87522578).

The spelling of 52220353 in words is "fifty-two million, two hundred twenty thousand, three hundred fifty-three".