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1996071 = 37118641
BaseRepresentation
bin111100111010100100111
310202102002120
413213110213
51002333241
6110441023
722652310
oct7472447
93672076
101996071
111143750
12803173
1354b70c
1439d607
15296666
hex1e7527

1996071 has 16 divisors (see below), whose sum is σ = 3318528. Its totient is φ = 1036800.

The previous prime is 1996061. The next prime is 1996081. The reversal of 1996071 is 1706991.

It is an interprime number because it is at equal distance from previous prime (1996061) and next prime (1996081).

It is not a de Polignac number, because 1996071 - 213 = 1987879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996061) 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, 4090 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (207408).

21996071 is an apocalyptic number.

1996071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1996071 is a deficient number, since it is larger than the sum of its proper divisors (1322457).

1996071 is a wasteful number, since it uses less digits than its factorization.

1996071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1996071 is about 1412.8237682032. The cubic root of 1996071 is about 125.9095470741.

The spelling of 1996071 in words is "one million, nine hundred ninety-six thousand, seventy-one".

Divisors: 1 3 7 11 21 33 77 231 8641 25923 60487 95051 181461 285153 665357 1996071