Search a number
-
+
8190741 = 313210019
BaseRepresentation
bin11111001111101100010101
3120102010120210
4133033230111
54044100431
6451320033
7126422466
oct37175425
916363523
108190741
114694909
1228b0019
13190a1c0
141132d6d
15abbd46
hex7cfb15

8190741 has 8 divisors (see below), whose sum is σ = 11761120. Its totient is φ = 5040432.

The previous prime is 8190701. The next prime is 8190751. The reversal of 8190741 is 1470918.

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

It is not a de Polignac number, because 8190741 - 211 = 8188693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8190699 and 8190708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104971 + ... + 105048.

It is an arithmetic number, because the mean of its divisors is an integer number (1470140).

Almost surely, 28190741 is an apocalyptic number.

It is an amenable number.

8190741 is a deficient number, since it is larger than the sum of its proper divisors (3570379).

8190741 is a wasteful number, since it uses less digits than its factorization.

8190741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210035.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 8190741 is about 2861.9470645000. The cubic root of 8190741 is about 201.5770403668.

The spelling of 8190741 in words is "eight million, one hundred ninety thousand, seven hundred forty-one".

Divisors: 1 3 13 39 210019 630057 2730247 8190741