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1996983 = 32474721
BaseRepresentation
bin111100111100010110111
310202110100100
413213202313
51002400413
6110445143
722655052
oct7474267
93673310
101996983
1111443aa
128037b3
1354bc61
1439da99
15296a73
hex1e78b7

1996983 has 12 divisors (see below), whose sum is σ = 2946528. Its totient is φ = 1302720.

The previous prime is 1996979. The next prime is 1997003. The reversal of 1996983 is 3896991.

It is not a de Polignac number, because 1996983 - 22 = 1996979 is a prime.

It is a super-2 number, since 2×19969832 = 7975882204578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (245544).

21996983 is an apocalyptic number.

1996983 is a deficient number, since it is larger than the sum of its proper divisors (949545).

1996983 is a wasteful number, since it uses less digits than its factorization.

1996983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4771 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 1996983 is about 1413.1464892218. The cubic root of 1996983 is about 125.9287200766.

The spelling of 1996983 in words is "one million, nine hundred ninety-six thousand, nine hundred eighty-three".

Divisors: 1 3 9 47 141 423 4721 14163 42489 221887 665661 1996983