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65049487 is a prime number
BaseRepresentation
bin1111100000100…
…1001110001111
311112101212010021
43320021032033
5113123040422
610242123011
71416624436
oct370111617
9145355107
1065049487
113379a708
1219950467
1310627429
1488d411d
155a9ddc7
hex3e0938f

65049487 has 2 divisors, whose sum is σ = 65049488. Its totient is φ = 65049486.

The previous prime is 65049449. The next prime is 65049529. The reversal of 65049487 is 78494056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65049487 - 215 = 65016719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65049427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32524743 + 32524744.

It is an arithmetic number, because the mean of its divisors is an integer number (32524744).

Almost surely, 265049487 is an apocalyptic number.

65049487 is a deficient number, since it is larger than the sum of its proper divisors (1).

65049487 is an equidigital number, since it uses as much as digits as its factorization.

65049487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 65049487 is about 8065.3262178290. The cubic root of 65049487 is about 402.1745877469.

It can be divided in two parts, 65049 and 487, that added together give a 16-th power (65536 = 216).

The spelling of 65049487 in words is "sixty-five million, forty-nine thousand, four hundred eighty-seven".