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854068689 = 3294896521
BaseRepresentation
bin110010111010000…
…000110111010001
32012112002011222200
4302322000313101
53222120144224
6220425353413
730110315115
oct6272006721
92175064880
10854068689
113a91104a1
121ba038869
13107c341b6
1481601745
154eea75c9
hex32e80dd1

854068689 has 6 divisors (see below), whose sum is σ = 1233654786. Its totient is φ = 569379120.

The previous prime is 854068679. The next prime is 854068697. The reversal of 854068689 is 986860458.

It is a happy number.

854068689 is a `hidden beast` number, since 85 + 406 + 86 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 853633089 + 435600 = 29217^2 + 660^2 .

It is not a de Polignac number, because 854068689 - 211 = 854066641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854068619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47448252 + ... + 47448269.

It is an arithmetic number, because the mean of its divisors is an integer number (205609131).

Almost surely, 2854068689 is an apocalyptic number.

It is an amenable number.

854068689 is a deficient number, since it is larger than the sum of its proper divisors (379586097).

854068689 is a wasteful number, since it uses less digits than its factorization.

854068689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94896527 (or 94896524 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 854068689 is about 29224.4536133697. The cubic root of 854068689 is about 948.7772593937. Note that the first 3 decimals are identical.

The spelling of 854068689 in words is "eight hundred fifty-four million, sixty-eight thousand, six hundred eighty-nine".

Divisors: 1 3 9 94896521 284689563 854068689