Search a number
-
+
17000842 = 28500421
BaseRepresentation
bin100000011011…
…0100110001010
31011222201202211
41000312212022
513323011332
61404215334
7264335065
oct100664612
934881684
1017000842
119661a91
12583a54a
1336a3291
1423878dc
15175c447
hex103698a

17000842 has 4 divisors (see below), whose sum is σ = 25501266. Its totient is φ = 8500420.

The previous prime is 17000821. The next prime is 17000843. The reversal of 17000842 is 24800071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24800071 = 73339727.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 7946761 = 3009^2 + 2819^2 .

It is a Smith number, since the sum of its digits (22) 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 (17000843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250209 + ... + 4250212.

Almost surely, 217000842 is an apocalyptic number.

17000842 is a deficient number, since it is larger than the sum of its proper divisors (8500424).

17000842 is an equidigital number, since it uses as much as digits as its factorization.

17000842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500423.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 17000842 is about 4123.2077318515. The cubic root of 17000842 is about 257.1324041312.

The spelling of 17000842 in words is "seventeen million, eight hundred forty-two", and thus it is an aban number.

Divisors: 1 2 8500421 17000842