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1988482 = 2994241
BaseRepresentation
bin111100101011110000010
310202000200111
413211132002
51002112412
6110341534
722621216
oct7453602
93660614
101988482
111138a81
127ba8aa
13548122
1439a946
152942a7
hex1e5782

1988482 has 4 divisors (see below), whose sum is σ = 2982726. Its totient is φ = 994240.

The previous prime is 1988471. The next prime is 1988513. The reversal of 1988482 is 2848891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2848891 = 23312227.

It can be written as a sum of positive squares in only one way, i.e., 1852321 + 136161 = 1361^2 + 369^2 .

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 as a sum of consecutive naturals, namely, 497119 + ... + 497122.

21988482 is an apocalyptic number.

1988482 is a deficient number, since it is larger than the sum of its proper divisors (994244).

1988482 is an equidigital number, since it uses as much as digits as its factorization.

1988482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994243.

The product of its digits is 36864, while the sum is 40.

The square root of 1988482 is about 1410.1354544866. The cubic root of 1988482 is about 125.7497763580.

The spelling of 1988482 in words is "one million, nine hundred eighty-eight thousand, four hundred eighty-two".

Divisors: 1 2 994241 1988482