Search a number
-
+
8190046 = 24095023
BaseRepresentation
bin11111001111100001011110
3120102002122001
4133033201132
54044040141
6451312514
7126420454
oct37174136
916362561
108190046
114694337
1228ab73a
131909aa7
1411329d4
15abba31
hex7cf85e

8190046 has 4 divisors (see below), whose sum is σ = 12285072. Its totient is φ = 4095022.

The previous prime is 8190041. The next prime is 8190067. The reversal of 8190046 is 6400918.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6400918 = 23200459.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8189996 and 8190023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047510 + ... + 2047513.

It is an arithmetic number, because the mean of its divisors is an integer number (3071268).

Almost surely, 28190046 is an apocalyptic number.

8190046 is a deficient number, since it is larger than the sum of its proper divisors (4095026).

8190046 is a wasteful number, since it uses less digits than its factorization.

8190046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095025.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8190046 is about 2861.8256410900. The cubic root of 8190046 is about 201.5713388068.

The spelling of 8190046 in words is "eight million, one hundred ninety thousand, forty-six".

Divisors: 1 2 4095023 8190046