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65288893 is a prime number
BaseRepresentation
bin1111100100001…
…1101010111101
311112212000112011
43321003222331
5113203221033
610251211221
71421642425
oct371035275
9145760464
1065288893
113394356a
1219a46b11
13106ac3a7
148957485
155ae9ccd
hex3e43abd

65288893 has 2 divisors, whose sum is σ = 65288894. Its totient is φ = 65288892.

The previous prime is 65288843. The next prime is 65288903. The reversal of 65288893 is 39888256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38477209 + 26811684 = 6203^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 65288893 - 213 = 65280701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65288813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32644446 + 32644447.

It is an arithmetic number, because the mean of its divisors is an integer number (32644447).

Almost surely, 265288893 is an apocalyptic number.

It is an amenable number.

65288893 is a deficient number, since it is larger than the sum of its proper divisors (1).

65288893 is an equidigital number, since it uses as much as digits as its factorization.

65288893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 65288893 is about 8080.1542683293. The cubic root of 65288893 is about 402.6673670946.

The spelling of 65288893 in words is "sixty-five million, two hundred eighty-eight thousand, eight hundred ninety-three".