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52215343 is a prime number
BaseRepresentation
bin1100011100101…
…1111000101111
310122020210222121
43013023320233
5101331342333
65103053411
71202552215
oct307137057
9118223877
1052215343
1127524184
12155a1267
13aa8286b
146d12cb5
1548b632d
hex31cbe2f

52215343 has 2 divisors, whose sum is σ = 52215344. Its totient is φ = 52215342.

The previous prime is 52215337. The next prime is 52215409. The reversal of 52215343 is 34351225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52215343 - 213 = 52207151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52215643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26107671 + 26107672.

It is an arithmetic number, because the mean of its divisors is an integer number (26107672).

Almost surely, 252215343 is an apocalyptic number.

52215343 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215343 is an equidigital number, since it uses as much as digits as its factorization.

52215343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 52215343 is about 7226.0184749279. The cubic root of 52215343 is about 373.7656433537.

Adding to 52215343 its reverse (34351225), we get a palindrome (86566568).

The spelling of 52215343 in words is "fifty-two million, two hundred fifteen thousand, three hundred forty-three".