Search a number
-
+
19483988 = 2243113279
BaseRepresentation
bin100101001010…
…0110101010100
31100122220000012
41022110311110
514441441423
61533335352
7324416426
oct112246524
940586005
1019483988
11aaa8677
126637558
1340625b4
142832816
151a9d078
hex1294d54

19483988 has 12 divisors (see below), whose sum is σ = 34890240. Its totient is φ = 9515352.

The previous prime is 19483963. The next prime is 19483993. The reversal of 19483988 is 88938491.

It is a congruent number.

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, 56468 + ... + 56811.

It is an arithmetic number, because the mean of its divisors is an integer number (2907520).

Almost surely, 219483988 is an apocalyptic number.

It is an amenable number.

19483988 is a deficient number, since it is larger than the sum of its proper divisors (15406252).

19483988 is a wasteful number, since it uses less digits than its factorization.

19483988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113326 (or 113324 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 19483988 is about 4414.0670588472. The cubic root of 19483988 is about 269.0869386353.

The spelling of 19483988 in words is "nineteen million, four hundred eighty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 43 86 172 113279 226558 453116 4870997 9741994 19483988