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65073389 is a prime number
BaseRepresentation
bin1111100000111…
…1000011101101
311112110001220112
43320033003231
5113124322024
610242425405
71420054223
oct370170355
9145401815
1065073389
1133806667
1219962265
1310635284
1488dcb13
155aa600e
hex3e0f0ed

65073389 has 2 divisors, whose sum is σ = 65073390. Its totient is φ = 65073388.

The previous prime is 65073383. The next prime is 65073413. The reversal of 65073389 is 98337056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37332100 + 27741289 = 6110^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 65073389 - 24 = 65073373 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 (65073383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536694 + 32536695.

It is an arithmetic number, because the mean of its divisors is an integer number (32536695).

Almost surely, 265073389 is an apocalyptic number.

It is an amenable number.

65073389 is a deficient number, since it is larger than the sum of its proper divisors (1).

65073389 is an equidigital number, since it uses as much as digits as its factorization.

65073389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 65073389 is about 8066.8078568911. The cubic root of 65073389 is about 402.2238405045.

The spelling of 65073389 in words is "sixty-five million, seventy-three thousand, three hundred eighty-nine".