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20008282 = 271429163
BaseRepresentation
bin100110001010…
…0110101011010
31101122112012111
41030110311122
520110231112
61552502534
7332032120
oct114246532
941575174
1020008282
1110326578
12684aa4a
1341b7128
14292b910
151b535a7
hex1314d5a

20008282 has 8 divisors (see below), whose sum is σ = 34299936. Its totient is φ = 8574972.

The previous prime is 20008279. The next prime is 20008291. The reversal of 20008282 is 28280002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714568 + ... + 714595.

It is an arithmetic number, because the mean of its divisors is an integer number (4287492).

Almost surely, 220008282 is an apocalyptic number.

20008282 is a deficient number, since it is larger than the sum of its proper divisors (14291654).

20008282 is a wasteful number, since it uses less digits than its factorization.

20008282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429172.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 20008282 is about 4473.0618149093. The cubic root of 20008282 is about 271.4792245000.

Adding to 20008282 its reverse (28280002), we get a palindrome (48288284).

The spelling of 20008282 in words is "twenty million, eight thousand, two hundred eighty-two".

Divisors: 1 2 7 14 1429163 2858326 10004141 20008282