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20263038 = 233377173
BaseRepresentation
bin100110101001…
…1000001111110
31102010110122220
41031103001332
520141404123
62002150210
7334142625
oct115230176
942113586
1020263038
111048aa14
126952366
134276083
1429966bc
151ba3ce3
hex135307e

20263038 has 8 divisors (see below), whose sum is σ = 40526088. Its totient is φ = 6754344.

The previous prime is 20263027. The next prime is 20263043. The reversal of 20263038 is 83036202.

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

20263038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20262999 and 20263017.

It is a congruent number.

It is an unprimeable number.

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, 1688581 + ... + 1688592.

It is an arithmetic number, because the mean of its divisors is an integer number (5065761).

Almost surely, 220263038 is an apocalyptic number.

20263038 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.

20263038 is a wasteful number, since it uses less digits than its factorization.

20263038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377178.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20263038 is about 4501.4484335600. The cubic root of 20263038 is about 272.6265741976.

The spelling of 20263038 in words is "twenty million, two hundred sixty-three thousand, thirty-eight".

Divisors: 1 2 3 6 3377173 6754346 10131519 20263038