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65484949 is a prime number
BaseRepresentation
bin1111100111001…
…1100010010101
311120012222110111
43321303202111
5113231004244
610255323021
71423420135
oct371634225
9146188414
1065484949
1133a678a2
1219b20471
131074a6ba
1489a8ac5
155b37e34
hex3e73895

65484949 has 2 divisors, whose sum is σ = 65484950. Its totient is φ = 65484948.

The previous prime is 65484943. The next prime is 65484971. The reversal of 65484949 is 94948456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 11682724 = 7335^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 65484949 - 23 = 65484941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65484941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32742474 + 32742475.

It is an arithmetic number, because the mean of its divisors is an integer number (32742475).

Almost surely, 265484949 is an apocalyptic number.

It is an amenable number.

65484949 is a deficient number, since it is larger than the sum of its proper divisors (1).

65484949 is an equidigital number, since it uses as much as digits as its factorization.

65484949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The square root of 65484949 is about 8092.2771208109. The cubic root of 65484949 is about 403.0700208979.

The spelling of 65484949 in words is "sixty-five million, four hundred eighty-four thousand, nine hundred forty-nine".