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2285808 = 24376803
BaseRepresentation
bin1000101110000011110000
311022010112120
420232003300
51041121213
6120554240
725300110
oct10560360
94263476
102285808
1113213a8
12922980
13620565
14437040
15302423
hex22e0f0

2285808 has 40 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 652992.

The previous prime is 2285797. The next prime is 2285813. The reversal of 2285808 is 8085822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066 + ... + 3737.

22285808 is an apocalyptic number.

2285808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2285808 is an abundant number, since it is smaller than the sum of its proper divisors (4463760).

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

2285808 is a wasteful number, since it uses less digits than its factorization.

2285808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 2285808 is about 1511.8888848060. Note that the first 5 decimals coincide. The cubic root of 2285808 is about 131.7285514427.

The spelling of 2285808 in words is "two million, two hundred eighty-five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 6803 13606 20409 27212 40818 47621 54424 81636 95242 108848 142863 163272 190484 285726 326544 380968 571452 761936 1142904 2285808