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52084649 is a prime number
BaseRepresentation
bin1100011010101…
…1111110101001
310122000011201002
43012223332221
5101313202044
65100204345
71201466201
oct306537651
9118004632
1052084649
1127444a71
12155396b5
13aa38226
146cbb401
15488c74e
hex31abfa9

52084649 has 2 divisors, whose sum is σ = 52084650. Its totient is φ = 52084648.

The previous prime is 52084607. The next prime is 52084657. The reversal of 52084649 is 94648025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 4129024 = 6925^2 + 2032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52084649 is a prime.

It is a super-2 number, since 2×520846492 = 5425621322906402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52081649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26042324 + 26042325.

It is an arithmetic number, because the mean of its divisors is an integer number (26042325).

Almost surely, 252084649 is an apocalyptic number.

It is an amenable number.

52084649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52084649 is an equidigital number, since it uses as much as digits as its factorization.

52084649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 52084649 is about 7216.9695163552. The cubic root of 52084649 is about 373.4535400719.

The spelling of 52084649 in words is "fifty-two million, eighty-four thousand, six hundred forty-nine".