Search a number
-
+
19019341 = 118532027
BaseRepresentation
bin100100010001…
…1011001001101
31022210021122001
41020203121031
514332104331
61515352301
7320442655
oct110433115
938707561
1019019341
11a810570
126452691
133c2bc63
142751365
151a0a561
hex122364d

19019341 has 8 divisors (see below), whose sum is σ = 20782944. Its totient is φ = 17261520.

The previous prime is 19019339. The next prime is 19019353. The reversal of 19019341 is 14391091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19019341 - 21 = 19019339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19014341) 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, 8370 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (2597868).

Almost surely, 219019341 is an apocalyptic number.

19019341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19019341 is a deficient number, since it is larger than the sum of its proper divisors (1763603).

19019341 is a wasteful number, since it uses less digits than its factorization.

19019341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 19019341 is about 4361.1169440867. The cubic root of 19019341 is about 266.9306772481.

The spelling of 19019341 in words is "nineteen million, nineteen thousand, three hundred forty-one".

Divisors: 1 11 853 2027 9383 22297 1729031 19019341