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1980296 = 231714561
BaseRepresentation
bin111100011011110001000
310201121110022
413203132020
51001332141
6110240012
722555313
oct7433610
93647408
101980296
11113290a
127b6008
13544496
1439797a
15291b4b
hex1e3788

1980296 has 16 divisors (see below), whose sum is σ = 3931740. Its totient is φ = 931840.

The previous prime is 1980289. The next prime is 1980301. The reversal of 1980296 is 6920891.

It can be written as a sum of positive squares in 2 ways, for example, as 1716100 + 264196 = 1310^2 + 514^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145 + ... + 7416.

21980296 is an apocalyptic number.

It is an amenable number.

1980296 is a deficient number, since it is larger than the sum of its proper divisors (1951444).

1980296 is a wasteful number, since it uses less digits than its factorization.

1980296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14584 (or 14580 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1980296 is about 1407.2299030365. The cubic root of 1980296 is about 125.5769806489.

The spelling of 1980296 in words is "one million, nine hundred eighty thousand, two hundred ninety-six".

Divisors: 1 2 4 8 17 34 68 136 14561 29122 58244 116488 247537 495074 990148 1980296