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20044315 = 510338921
BaseRepresentation
bin100110001110…
…1101000011011
31101201100122001
41030131220123
520112404230
61553341431
7332242144
oct114355033
941640561
1020044315
1110350655
126867877
1341ca655
14293aacb
151b5e0ca
hex131da1b

20044315 has 8 divisors (see below), whose sum is σ = 24287328. Its totient is φ = 15879360.

The previous prime is 20044303. The next prime is 20044319. The reversal of 20044315 is 51344002.

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

It is not a de Polignac number, because 20044315 - 27 = 20044187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20044292 and 20044301.

It is not an unprimeable number, because it can be changed into a prime (20044319) 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, 18946 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (3035916).

Almost surely, 220044315 is an apocalyptic number.

20044315 is a deficient number, since it is larger than the sum of its proper divisors (4243013).

20044315 is a wasteful number, since it uses less digits than its factorization.

20044315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39029.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20044315 is about 4477.0877811363. The cubic root of 20044315 is about 271.6420961297.

Adding to 20044315 its reverse (51344002), we get a palindrome (71388317).

The spelling of 20044315 in words is "twenty million, forty-four thousand, three hundred fifteen".

Divisors: 1 5 103 515 38921 194605 4008863 20044315