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52210393 is a prime number
BaseRepresentation
bin1100011100101…
…0101011011001
310122020120012021
43013022223121
5101331213033
65103014441
71202531614
oct307125331
9118216167
1052210393
1127520494
121559a421
13aa80531
146d1117b
1548b4b2d
hex31caad9

52210393 has 2 divisors, whose sum is σ = 52210394. Its totient is φ = 52210392.

The previous prime is 52210381. The next prime is 52210409. The reversal of 52210393 is 39301225.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51883209 + 327184 = 7203^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 52210393 - 29 = 52209881 is a prime.

It is equal to p3125671 and since 52210393 and 3125671 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 (52210303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26105196 + 26105197.

It is an arithmetic number, because the mean of its divisors is an integer number (26105197).

Almost surely, 252210393 is an apocalyptic number.

It is an amenable number.

52210393 is a deficient number, since it is larger than the sum of its proper divisors (1).

52210393 is an equidigital number, since it uses as much as digits as its factorization.

52210393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 52210393 is about 7225.6759545388. The cubic root of 52210393 is about 373.7538320208.

The spelling of 52210393 in words is "fifty-two million, two hundred ten thousand, three hundred ninety-three".