Search a number
-
+
1968488 = 232411021
BaseRepresentation
bin111100000100101101000
310201000020222
413200211220
51000442423
6110105212
722506014
oct7404550
93630228
101968488
111124a55
127ab208
1353bcb2
14393544
1528d3c8
hex1e0968

1968488 has 16 divisors (see below), whose sum is σ = 3709860. Its totient is φ = 979200.

The previous prime is 1968487. The next prime is 1968521. The reversal of 1968488 is 8848691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 58564 = 1382^2 + 242^2 .

It is a super-2 number, since 2×19684882 = 7749890012288, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1968487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 2438.

21968488 is an apocalyptic number.

It is an amenable number.

1968488 is a deficient number, since it is larger than the sum of its proper divisors (1741372).

1968488 is a wasteful number, since it uses less digits than its factorization.

1968488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1264 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 1968488 is about 1403.0281536733. The cubic root of 1968488 is about 125.3268884066.

The spelling of 1968488 in words is "one million, nine hundred sixty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 241 482 964 1021 1928 2042 4084 8168 246061 492122 984244 1968488