Search a number
-
+
7000465 = 51400093
BaseRepresentation
bin11010101101000110010001
3111011122211111
4122231012101
53243003330
6410013321
7113334343
oct32550621
914148744
107000465
113a5160a
122417241
1315b14b4
14d03293
1593432a
hex6ad191

7000465 has 4 divisors (see below), whose sum is σ = 8400564. Its totient is φ = 5600368.

The previous prime is 7000459. The next prime is 7000517. The reversal of 7000465 is 5640007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5640007 = 29194483.

It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 2556801 = 2108^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000465 - 27 = 7000337 is a prime.

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 an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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, 700042 + ... + 700051.

It is an arithmetic number, because the mean of its divisors is an integer number (2100141).

Almost surely, 27000465 is an apocalyptic number.

It is an amenable number.

7000465 is a deficient number, since it is larger than the sum of its proper divisors (1400099).

7000465 is a wasteful number, since it uses less digits than its factorization.

7000465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400098.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7000465 is about 2645.8391863452. The cubic root of 7000465 is about 191.2973539596.

The spelling of 7000465 in words is "seven million, four hundred sixty-five", and thus it is an aban number.

Divisors: 1 5 1400093 7000465