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6854928457 = 134112861029
BaseRepresentation
bin1100110001001010…
…11110100001001001
3122200201202110001011
412120211132201021
5103014330202312
63052112523521
7331604634106
oct63045364111
918621673034
106854928457
1129a8479233
1213b38505a1
138532413b0
14490595aad
152a1c0eda7
hex19895e849

6854928457 has 8 divisors (see below), whose sum is σ = 7562285640. Its totient is φ = 6173293440.

The previous prime is 6854928401. The next prime is 6854928467. The reversal of 6854928457 is 7548294586.

It can be written as a sum of positive squares in 4 ways, for example, as 172029456 + 6682899001 = 13116^2 + 81749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6854928457 - 27 = 6854928329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6854928467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6429982 + ... + 6431047.

It is an arithmetic number, because the mean of its divisors is an integer number (945285705).

Almost surely, 26854928457 is an apocalyptic number.

It is an amenable number.

6854928457 is a deficient number, since it is larger than the sum of its proper divisors (707357183).

6854928457 is a wasteful number, since it uses less digits than its factorization.

6854928457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861083.

The product of its digits is 19353600, while the sum is 58.

The square root of 6854928457 is about 82794.4953303056. The cubic root of 6854928457 is about 1899.6239751711.

The spelling of 6854928457 in words is "six billion, eight hundred fifty-four million, nine hundred twenty-eight thousand, four hundred fifty-seven".

Divisors: 1 13 41 533 12861029 167193377 527302189 6854928457