Search a number
-
+
19242353 = 131480181
BaseRepresentation
bin100100101100…
…1110101110001
31100012121112202
41021121311301
514411223403
61524232545
7322362104
oct111316561
940177482
1019242353
11a953079
12653b755
133ca9610
1427ac73b
151a51688
hex1259d71

19242353 has 4 divisors (see below), whose sum is σ = 20722548. Its totient is φ = 17762160.

The previous prime is 19242343. The next prime is 19242367. The reversal of 19242353 is 35324291.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7491169 + 11751184 = 2737^2 + 3428^2 .

It is not a de Polignac number, because 19242353 - 24 = 19242337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19242323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740078 + ... + 740103.

It is an arithmetic number, because the mean of its divisors is an integer number (5180637).

Almost surely, 219242353 is an apocalyptic number.

19242353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19242353 is a deficient number, since it is larger than the sum of its proper divisors (1480195).

19242353 is a wasteful number, since it uses less digits than its factorization.

19242353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480194.

The product of its digits is 6480, while the sum is 29.

The square root of 19242353 is about 4386.6106506049. The cubic root of 19242353 is about 267.9699277537.

The spelling of 19242353 in words is "nineteen million, two hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 13 1480181 19242353