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19076017 = 137139241
BaseRepresentation
bin100100011000…
…1001110110001
31022220011101011
41020301032301
514340413032
61520510521
7321100132
oct110611661
938804334
1019076017
11a84a104
12647b441
133c4b9ac
142767c89
151a1c247
hex12313b1

19076017 has 4 divisors (see below), whose sum is σ = 19215396. Its totient is φ = 18936640.

The previous prime is 19076011. The next prime is 19076021. The reversal of 19076017 is 71067091.

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 15374241 + 3701776 = 3921^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 19076017 - 215 = 19043249 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19076017.

It is not an unprimeable number, because it can be changed into a prime (19076011) 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 3 ways as a sum of consecutive naturals, for example, 69484 + ... + 69757.

It is an arithmetic number, because the mean of its divisors is an integer number (4803849).

Almost surely, 219076017 is an apocalyptic number.

It is an amenable number.

19076017 is a deficient number, since it is larger than the sum of its proper divisors (139379).

19076017 is a wasteful number, since it uses less digits than its factorization.

19076017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139378.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 19076017 is about 4367.6099871669. The cubic root of 19076017 is about 267.1955577999.

The spelling of 19076017 in words is "nineteen million, seventy-six thousand, seventeen".

Divisors: 1 137 139241 19076017