Search a number
-
+
1968982 = 2984491
BaseRepresentation
bin111100000101101010110
310201000221021
413200231112
51001001412
6110111354
722510321
oct7405526
93630837
101968982
111125364
127ab55a
1353c2a2
143937b8
1528d607
hex1e0b56

1968982 has 4 divisors (see below), whose sum is σ = 2953476. Its totient is φ = 984490.

The previous prime is 1968979. The next prime is 1968983. The reversal of 1968982 is 2898691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968983) by changing a digit.

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, 492244 + ... + 492247.

It is an arithmetic number, because the mean of its divisors is an integer number (738369).

21968982 is an apocalyptic number.

1968982 is a deficient number, since it is larger than the sum of its proper divisors (984494).

1968982 is an equidigital number, since it uses as much as digits as its factorization.

1968982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984493.

The product of its digits is 62208, while the sum is 43.

The square root of 1968982 is about 1403.2041904156. The cubic root of 1968982 is about 125.3373712924.

The spelling of 1968982 in words is "one million, nine hundred sixty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 984491 1968982