Search a number
-
+
19480983 = 347138163
BaseRepresentation
bin100101001010…
…0000110010111
31100122201212220
41022110012113
514441342413
61533313423
7324404604
oct112240627
940581786
1019480983
11aaa6395
126635873
134061112
1428316ab
151a9c223
hex1294197

19480983 has 8 divisors (see below), whose sum is σ = 26527488. Its totient is φ = 12710904.

The previous prime is 19480973. The next prime is 19480991. The reversal of 19480983 is 38908491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19480983 - 26 = 19480919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19480973) 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 in 7 ways as a sum of consecutive naturals, for example, 68941 + ... + 69222.

It is an arithmetic number, because the mean of its divisors is an integer number (3315936).

Almost surely, 219480983 is an apocalyptic number.

19480983 is a deficient number, since it is larger than the sum of its proper divisors (7046505).

19480983 is a wasteful number, since it uses less digits than its factorization.

19480983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138213.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 19480983 is about 4413.7266566927. The cubic root of 19480983 is about 269.0731042358.

The spelling of 19480983 in words is "nineteen million, four hundred eighty thousand, nine hundred eighty-three".

Divisors: 1 3 47 141 138163 414489 6493661 19480983