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52185797 is a prime number
BaseRepresentation
bin1100011100010…
…0101011000101
310122012022110022
43013010223011
5101324421142
65102304525
71202400116
oct307045305
9118168408
1052185797
1127503a64
1215588145
13aa72291
146d0620d
1548ac6d2
hex31c4ac5

52185797 has 2 divisors, whose sum is σ = 52185798. Its totient is φ = 52185796.

The previous prime is 52185769. The next prime is 52185811. The reversal of 52185797 is 79758125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46430596 + 5755201 = 6814^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 52185797 - 216 = 52120261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52185737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26092898 + 26092899.

It is an arithmetic number, because the mean of its divisors is an integer number (26092899).

Almost surely, 252185797 is an apocalyptic number.

It is an amenable number.

52185797 is a deficient number, since it is larger than the sum of its proper divisors (1).

52185797 is an equidigital number, since it uses as much as digits as its factorization.

52185797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 44.

The square root of 52185797 is about 7223.9737679479. The cubic root of 52185797 is about 373.6951317463.

The spelling of 52185797 in words is "fifty-two million, one hundred eighty-five thousand, seven hundred ninety-seven".