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52405229 is a prime number
BaseRepresentation
bin1100011111101…
…0001111101101
310122121110110102
43013322033231
5101403431404
65111120445
71204302632
oct307721755
9118543412
1052405229
1127643908
1215673125
13ab1b116
146d62189
15490271e
hex31fa3ed

52405229 has 2 divisors, whose sum is σ = 52405230. Its totient is φ = 52405228.

The previous prime is 52405217. The next prime is 52405253. The reversal of 52405229 is 92250425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 15984004 = 6035^2 + 3998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52405229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52405259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202614 + 26202615.

It is an arithmetic number, because the mean of its divisors is an integer number (26202615).

Almost surely, 252405229 is an apocalyptic number.

It is an amenable number.

52405229 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405229 is an equidigital number, since it uses as much as digits as its factorization.

52405229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52405229 is about 7239.1455987568. The cubic root of 52405229 is about 374.2181731985.

The spelling of 52405229 in words is "fifty-two million, four hundred five thousand, two hundred twenty-nine".