Search a number
-
+
7239230 = 25723923
BaseRepresentation
bin11011100111011000111110
3111121210100122
4123213120332
53323123410
6415054542
7115350425
oct33473076
914553318
107239230
1140a4a39
122511452
13166608b
14d662bc
1597ee55
hex6e763e

7239230 has 8 divisors (see below), whose sum is σ = 13030632. Its totient is φ = 2895688.

The previous prime is 7239187. The next prime is 7239233. The reversal of 7239230 is 329327.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7239230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7239233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361952 + ... + 361971.

It is an arithmetic number, because the mean of its divisors is an integer number (1628829).

Almost surely, 27239230 is an apocalyptic number.

7239230 is a deficient number, since it is larger than the sum of its proper divisors (5791402).

7239230 is a wasteful number, since it uses less digits than its factorization.

7239230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723930.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 7239230 is about 2690.5817214870. The cubic root of 7239230 is about 193.4479469696.

Subtracting from 7239230 its reverse (329327), we obtain a triangular number (6909903 = T3717).

The spelling of 7239230 in words is "seven million, two hundred thirty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 723923 1447846 3619615 7239230