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20044677 = 319351661
BaseRepresentation
bin100110001110…
…1101110000101
31101201101010110
41030131232011
520112412202
61553343233
7332243202
oct114355605
941641113
1020044677
1110350954
126867b19
1341ca873
14293aca9
151b5e26c
hex131db85

20044677 has 8 divisors (see below), whose sum is σ = 28132960. Its totient is φ = 12659760.

The previous prime is 20044667. The next prime is 20044679. The reversal of 20044677 is 77644002.

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

It is not a de Polignac number, because 20044677 - 223 = 11656069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044679) 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 7 ways as a sum of consecutive naturals, for example, 175774 + ... + 175887.

It is an arithmetic number, because the mean of its divisors is an integer number (3516620).

Almost surely, 220044677 is an apocalyptic number.

It is an amenable number.

20044677 is a deficient number, since it is larger than the sum of its proper divisors (8088283).

20044677 is a wasteful number, since it uses less digits than its factorization.

20044677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351683.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 20044677 is about 4477.1282090197. The cubic root of 20044677 is about 271.6437314038.

Adding to 20044677 its reverse (77644002), we get a palindrome (97688679).

The spelling of 20044677 in words is "twenty million, forty-four thousand, six hundred seventy-seven".

Divisors: 1 3 19 57 351661 1054983 6681559 20044677