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20168826 = 233361471
BaseRepresentation
bin100110011110…
…0000001111010
31101221200102120
41030330001322
520130400301
62000142110
7333301146
oct114740172
941850376
1020168826
1110426157
126907936
134242222
142970226
151b85e36
hex133c07a

20168826 has 8 divisors (see below), whose sum is σ = 40337664. Its totient is φ = 6722940.

The previous prime is 20168821. The next prime is 20168831. The reversal of 20168826 is 62886102.

It is an interprime number because it is at equal distance from previous prime (20168821) and next prime (20168831).

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

20168826 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20168821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680730 + ... + 1680741.

It is an arithmetic number, because the mean of its divisors is an integer number (5042208).

Almost surely, 220168826 is an apocalyptic number.

20168826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20168826 is a wasteful number, since it uses less digits than its factorization.

20168826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361476.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 20168826 is about 4490.9716097967. The cubic root of 20168826 is about 272.2033963812.

The spelling of 20168826 in words is "twenty million, one hundred sixty-eight thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 3361471 6722942 10084413 20168826