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20682152 = 2323112403
BaseRepresentation
bin100111011100…
…1010110101000
31102220202120122
41032321112220
520243312102
62015142412
7340536551
oct116712650
942822518
1020682152
1110746897
126b14a08
134391a7a
142a65328
151c380a2
hex13b95a8

20682152 has 16 divisors (see below), whose sum is σ = 40465440. Its totient is φ = 9891376.

The previous prime is 20682139. The next prime is 20682157. The reversal of 20682152 is 25128602.

It is a super-3 number, since 3×206821523 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20682157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56018 + ... + 56385.

It is an arithmetic number, because the mean of its divisors is an integer number (2529090).

Almost surely, 220682152 is an apocalyptic number.

It is an amenable number.

20682152 is a deficient number, since it is larger than the sum of its proper divisors (19783288).

20682152 is a wasteful number, since it uses less digits than its factorization.

20682152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112432 (or 112428 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 20682152 is about 4547.7634063350. The cubic root of 20682152 is about 274.4934012125.

The spelling of 20682152 in words is "twenty million, six hundred eighty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 23 46 92 184 112403 224806 449612 899224 2585269 5170538 10341076 20682152