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85382911 is a prime number
BaseRepresentation
bin1010001011011…
…01011011111111
312221122220100001
411011231123333
5133324223121
612250015131
72054512525
oct505553377
9187586301
1085382911
1144218499
12247174a7
13148c6543
14b4a8315
157768991
hex516d6ff

85382911 has 2 divisors, whose sum is σ = 85382912. Its totient is φ = 85382910.

The previous prime is 85382893. The next prime is 85382977. The reversal of 85382911 is 11928358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85382911 - 27 = 85382783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85382411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42691455 + 42691456.

It is an arithmetic number, because the mean of its divisors is an integer number (42691456).

Almost surely, 285382911 is an apocalyptic number.

85382911 is a deficient number, since it is larger than the sum of its proper divisors (1).

85382911 is an equidigital number, since it uses as much as digits as its factorization.

85382911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 85382911 is about 9240.2873873057. The cubic root of 85382911 is about 440.3422113921.

It can be divided in two parts, 8538 and 2911, that added together give a square (11449 = 1072).

The spelling of 85382911 in words is "eighty-five million, three hundred eighty-two thousand, nine hundred eleven".