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1995994 = 271113997
BaseRepresentation
bin111100111010011011010
310202101222201
413213103122
51002332434
6110440414
722652140
oct7472332
93671881
101995994
111143690
1280310a
1354b680
1439d590
15296614
hex1e74da

1995994 has 32 divisors (see below), whose sum is σ = 4023936. Its totient is φ = 717120.

The previous prime is 1995991. The next prime is 1996013. The reversal of 1995994 is 4995991.

It is not an unprimeable number, because it can be changed into a prime (1995991) 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 15 ways as a sum of consecutive naturals, for example, 1504 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (125748).

21995994 is an apocalyptic number.

1995994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1995994 is an abundant number, since it is smaller than the sum of its proper divisors (2027942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1995994 is a wasteful number, since it uses less digits than its factorization.

1995994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 131220, while the sum is 46.

The square root of 1995994 is about 1412.7965175495. The cubic root of 1995994 is about 125.9079280335.

The spelling of 1995994 in words is "one million, nine hundred ninety-five thousand, nine hundred ninety-four".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 997 1001 1994 2002 6979 10967 12961 13958 21934 25922 76769 90727 142571 153538 181454 285142 997997 1995994