Search a number
-
+
65790827 is a prime number
BaseRepresentation
bin1111101011111…
…0001101101011
311120210112001022
43322332031223
5113320301302
610310043055
71426132664
oct372761553
9146715038
1065790827
1134156693
121a04948b
13108269ab
148a4836b
155b988a2
hex3ebe36b

65790827 has 2 divisors, whose sum is σ = 65790828. Its totient is φ = 65790826.

The previous prime is 65790797. The next prime is 65790871. The reversal of 65790827 is 72809756.

It is an a-pointer prime, because the next prime (65790871) can be obtained adding 65790827 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65790827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65790877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32895413 + 32895414.

It is an arithmetic number, because the mean of its divisors is an integer number (32895414).

Almost surely, 265790827 is an apocalyptic number.

65790827 is a deficient number, since it is larger than the sum of its proper divisors (1).

65790827 is an equidigital number, since it uses as much as digits as its factorization.

65790827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 65790827 is about 8111.1544800971. The cubic root of 65790827 is about 403.6966218130.

The spelling of 65790827 in words is "sixty-five million, seven hundred ninety thousand, eight hundred twenty-seven".