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20282226 = 238633917
BaseRepresentation
bin100110101011…
…1101101110010
31102011102222120
41031113231302
520143012401
62002415110
7334252566
oct115275562
942142876
1020282226
11104a3378
126961496
134281a23
14299d6a6
151ba9836
hex1357b72

20282226 has 16 divisors (see below), whose sum is σ = 40621824. Its totient is φ = 6751184.

The previous prime is 20282221. The next prime is 20282231. The reversal of 20282226 is 62228202.

It is an interprime number because it is at equal distance from previous prime (20282221) and next prime (20282231).

It is a super-2 number, since 2×202822262 = 822737383030152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20282196 and 20282205.

It is not an unprimeable number, because it can be changed into a prime (20282221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220 + ... + 7136.

It is an arithmetic number, because the mean of its divisors is an integer number (2538864).

Almost surely, 220282226 is an apocalyptic number.

20282226 is an abundant number, since it is smaller than the sum of its proper divisors (20339598).

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

20282226 is a wasteful number, since it uses less digits than its factorization.

20282226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20282226 is about 4503.5792432242. The cubic root of 20282226 is about 272.7126012512.

It can be divided in two parts, 202 and 82226, that added together give a palindrome (82428).

The spelling of 20282226 in words is "twenty million, two hundred eighty-two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 863 1726 2589 3917 5178 7834 11751 23502 3380371 6760742 10141113 20282226