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806208 = 263131719
BaseRepresentation
bin11000100110101000000
31111221220120
43010311000
5201244313
625140240
76565314
oct3046500
91457816
10806208
11500797
1232a680
13222c60
1416db44
1510dd23
hexc4d40

806208 has 112 divisors (see below), whose sum is σ = 2560320. Its totient is φ = 221184.

The previous prime is 806203. The next prime is 806213. The reversal of 806208 is 802608.

It is an interprime number because it is at equal distance from previous prime (806203) and next prime (806213).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806203) 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 in 15 ways as a sum of consecutive naturals, for example, 42423 + ... + 42441.

It is an arithmetic number, because the mean of its divisors is an integer number (22860).

2806208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280160).

806208 is an abundant number, since it is smaller than the sum of its proper divisors (1754112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806208 is a wasteful number, since it uses less digits than its factorization.

806208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 806208 is about 897.8908619649. The cubic root of 806208 is about 93.0712830756.

Subtracting from 806208 its reverse (802608), we obtain a square (3600 = 602).

The spelling of 806208 in words is "eight hundred six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 17 19 24 26 32 34 38 39 48 51 52 57 64 68 76 78 96 102 104 114 136 152 156 192 204 208 221 228 247 272 304 312 323 408 416 442 456 494 544 608 624 646 663 741 816 832 884 912 969 988 1088 1216 1248 1292 1326 1482 1632 1768 1824 1938 1976 2496 2584 2652 2964 3264 3536 3648 3876 3952 4199 5168 5304 5928 7072 7752 7904 8398 10336 10608 11856 12597 14144 15504 15808 16796 20672 21216 23712 25194 31008 33592 42432 47424 50388 62016 67184 100776 134368 201552 268736 403104 806208