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320044103 = 23471491987
BaseRepresentation
bin10011000100110…
…111110001000111
3211022012220222022
4103010313301013
51123412402403
651431353355
710634221121
oct2304676107
9738186868
10320044103
11154724965
128b22285b
13513c8312
1430710211
151d16cd38
hex13137c47

320044103 has 16 divisors (see below), whose sum is σ = 343526400. Its totient is φ = 297455136.

The previous prime is 320044069. The next prime is 320044139. The reversal of 320044103 is 301440023.

It is a de Polignac number, because none of the positive numbers 2k-320044103 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 (320044603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160076 + ... + 162062.

It is an arithmetic number, because the mean of its divisors is an integer number (21470400).

Almost surely, 2320044103 is an apocalyptic number.

320044103 is a deficient number, since it is larger than the sum of its proper divisors (23482297).

320044103 is a wasteful number, since it uses less digits than its factorization.

320044103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320044103 is about 17889.7764938526. The cubic root of 320044103 is about 684.0218001727.

Adding to 320044103 its reverse (301440023), we get a palindrome (621484126).

The spelling of 320044103 in words is "three hundred twenty million, forty-four thousand, one hundred three".

Divisors: 1 23 47 149 1081 1987 3427 7003 45701 93389 161069 296063 2147947 6809449 13914961 320044103