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19135103 = 132363997
BaseRepresentation
bin100100011111…
…1101001111111
31100000011102112
41020333221333
514344310403
61522044235
7321434321
oct110775177
940004375
1019135103
11a88a539
1264a967b
133c6c860
142781611
151a2e9d8
hex123fa7f

19135103 has 8 divisors (see below), whose sum is σ = 21503328. Its totient is φ = 16894944.

The previous prime is 19135097. The next prime is 19135111. The reversal of 19135103 is 30153191.

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 19135103 - 24 = 19135087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19132103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31700 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (2687916).

Almost surely, 219135103 is an apocalyptic number.

19135103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19135103 is a deficient number, since it is larger than the sum of its proper divisors (2368225).

19135103 is a wasteful number, since it uses less digits than its factorization.

19135103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64033.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 19135103 is about 4374.3688687627. The cubic root of 19135103 is about 267.4711437123.

Adding to 19135103 its reverse (30153191), we get a palindrome (49288294).

The spelling of 19135103 in words is "nineteen million, one hundred thirty-five thousand, one hundred three".

Divisors: 1 13 23 299 63997 831961 1471931 19135103