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551108 = 22137777
BaseRepresentation
bin10000110100011000100
31000222222102
42012203010
5120113413
615451232
74453505
oct2064304
91028872
10551108
11347068
12226b18
13163acc
14104bac
15ad458
hex868c4

551108 has 6 divisors (see below), whose sum is σ = 964446. Its totient is φ = 275552.

The previous prime is 551107. The next prime is 551113. The reversal of 551108 is 801155.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 228484 = 568^2 + 478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 551108.

It is not an unprimeable number, because it can be changed into a prime (551107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68885 + ... + 68892.

It is an arithmetic number, because the mean of its divisors is an integer number (160741).

2551108 is an apocalyptic number.

It is an amenable number.

551108 is a deficient number, since it is larger than the sum of its proper divisors (413338).

551108 is a wasteful number, since it uses less digits than its factorization.

551108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137781 (or 137779 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 551108 is about 742.3664863125. The cubic root of 551108 is about 81.9871088202.

Subtracting 551108 from its reverse (801155), we obtain a cube (250047 = 633).

The spelling of 551108 in words is "five hundred fifty-one thousand, one hundred eight".

Divisors: 1 2 4 137777 275554 551108