Search a number
-
+
7042323 = 32347441
BaseRepresentation
bin11010110111010100010011
3111020210020210
4122313110103
53300323243
6410535203
7113600361
oct32672423
914223223
107042323
113a80002
122437503
1315c7572
14d14631
15941933
hex6b7513

7042323 has 4 divisors (see below), whose sum is σ = 9389768. Its totient is φ = 4694880.

The previous prime is 7042319. The next prime is 7042327. The reversal of 7042323 is 3232407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232407 = 31077469.

It is an interprime number because it is at equal distance from previous prime (7042319) and next prime (7042327).

It is not a de Polignac number, because 7042323 - 22 = 7042319 is a prime.

It is a D-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 7042323.

It is not an unprimeable number, because it can be changed into a prime (7042327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173718 + ... + 1173723.

It is an arithmetic number, because the mean of its divisors is an integer number (2347442).

Almost surely, 27042323 is an apocalyptic number.

7042323 is a deficient number, since it is larger than the sum of its proper divisors (2347445).

7042323 is a wasteful number, since it uses less digits than its factorization.

7042323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347444.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 7042323 is about 2653.7375529619. The cubic root of 7042323 is about 191.6778723967.

The spelling of 7042323 in words is "seven million, forty-two thousand, three hundred twenty-three".

Divisors: 1 3 2347441 7042323