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1995383 = 13211807
BaseRepresentation
bin111100111001001110111
310202101011002
413213021313
51002323013
6110433515
722650305
oct7471167
93671132
101995383
111143185
1280289b
1354b300
1439d275
15296358
hex1e7277

1995383 has 6 divisors (see below), whose sum is σ = 2160864. Its totient is φ = 1841736.

The previous prime is 1995359. The next prime is 1995391. The reversal of 1995383 is 3835991.

It is not a de Polignac number, because 1995383 - 216 = 1929847 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 (1995353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5735 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (360144).

21995383 is an apocalyptic number.

1995383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1995383 is a deficient number, since it is larger than the sum of its proper divisors (165481).

1995383 is a wasteful number, since it uses less digits than its factorization.

1995383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833 (or 11820 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 1995383 is about 1412.5802632063. The cubic root of 1995383 is about 125.8950793651.

The spelling of 1995383 in words is "one million, nine hundred ninety-five thousand, three hundred eighty-three".

Divisors: 1 13 169 11807 153491 1995383