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282134857 = 1922573041
BaseRepresentation
bin10000110100010…
…000100101001001
3201122212221021011
4100310100211021
51034211303412
643555043521
76664051414
oct2064204511
9648787234
10282134857
11135292104
127a5a05a1
13465b4304
1429682b7b
1519b807a7
hex10d10949

282134857 has 12 divisors (see below), whose sum is σ = 299022516. Its totient is φ = 266158080.

The previous prime is 282134849. The next prime is 282134903. The reversal of 282134857 is 758431282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 277022736 + 5112121 = 16644^2 + 2261^2 .

It is not a de Polignac number, because 282134857 - 23 = 282134849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282134257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91257 + ... + 94297.

It is an arithmetic number, because the mean of its divisors is an integer number (24918543).

Almost surely, 2282134857 is an apocalyptic number.

It is an amenable number.

282134857 is a deficient number, since it is larger than the sum of its proper divisors (16887659).

282134857 is a wasteful number, since it uses less digits than its factorization.

282134857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3317 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 282134857 is about 16796.8704525575. The cubic root of 282134857 is about 655.8717348186.

The spelling of 282134857 in words is "two hundred eighty-two million, one hundred thirty-four thousand, eight hundred fifty-seven".

Divisors: 1 19 257 361 3041 4883 57779 92777 781537 1097801 14849203 282134857