Search a number
-
+
7223942 = 211229851
BaseRepresentation
bin11011100011101010000110
3111121000101102
4123203222012
53322131232
6414500102
7115255025
oct33435206
914530342
107223942
114094500
122504632
13165c12b
14d608bc
1597a662
hex6e3a86

7223942 has 12 divisors (see below), whose sum is σ = 11910948. Its totient is φ = 3283500.

The previous prime is 7223941. The next prime is 7223959. The reversal of 7223942 is 2493227.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14684 + ... + 15167.

It is an arithmetic number, because the mean of its divisors is an integer number (992579).

Almost surely, 27223942 is an apocalyptic number.

7223942 is a deficient number, since it is larger than the sum of its proper divisors (4687006).

7223942 is a wasteful number, since it uses less digits than its factorization.

7223942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29875 (or 29864 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 7223942 is about 2687.7391986575. The cubic root of 7223942 is about 193.3116748098.

It can be divided in two parts, 722 and 3942, that added together give a palindrome (4664).

The spelling of 7223942 in words is "seven million, two hundred twenty-three thousand, nine hundred forty-two".

Divisors: 1 2 11 22 121 242 29851 59702 328361 656722 3611971 7223942