Search a number
-
+
19242753 = 315434157
BaseRepresentation
bin100100101100…
…1111100000001
31100012122002120
41021121330001
514411232003
61524234453
7322363215
oct111317401
940178076
1019242753
11a953402
12653ba29
133ca985a
1427ac945
151a51853
hex1259f01

19242753 has 8 divisors (see below), whose sum is σ = 25679808. Its totient is φ = 12817104.

The previous prime is 19242733. The next prime is 19242757. The reversal of 19242753 is 35724291.

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

It is not a de Polignac number, because 19242753 - 220 = 18194177 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (19242757) 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, 2551 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (3209976).

Almost surely, 219242753 is an apocalyptic number.

It is an amenable number.

19242753 is a deficient number, since it is larger than the sum of its proper divisors (6437055).

19242753 is a wasteful number, since it uses less digits than its factorization.

19242753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703.

The product of its digits is 15120, while the sum is 33.

The square root of 19242753 is about 4386.6562436553. The cubic root of 19242753 is about 267.9717845472.

The spelling of 19242753 in words is "nineteen million, two hundred forty-two thousand, seven hundred fifty-three".

Divisors: 1 3 1543 4157 4629 12471 6414251 19242753