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1968093 = 32218677
BaseRepresentation
bin111100000011111011101
310200222201100
413200133131
51000434333
6110103313
722504611
oct7403735
93628640
101968093
111124726
127aab39
1353ba6a
14393341
1528d213
hex1e07dd

1968093 has 6 divisors (see below), whose sum is σ = 2842814. Its totient is φ = 1312056.

The previous prime is 1968079. The next prime is 1968103. The reversal of 1968093 is 3908691.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 13689 = 1398^2 + 117^2 .

It is not a de Polignac number, because 1968093 - 25 = 1968061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968023) 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 5 ways as a sum of consecutive naturals, for example, 109330 + ... + 109347.

21968093 is an apocalyptic number.

It is an amenable number.

1968093 is a deficient number, since it is larger than the sum of its proper divisors (874721).

1968093 is a wasteful number, since it uses less digits than its factorization.

1968093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218683 (or 218680 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1968093 is about 1402.8873796567. The cubic root of 1968093 is about 125.3185050801.

The spelling of 1968093 in words is "one million, nine hundred sixty-eight thousand, ninety-three".

Divisors: 1 3 9 218677 656031 1968093