Search a number
-
+
730332 = 223220287
BaseRepresentation
bin10110010010011011100
31101002211100
42302103130
5141332312
623353100
76131151
oct2622334
91332740
10730332
11459789
122b2790
131c7565
14150228
15e65dc
hexb24dc

730332 has 18 divisors (see below), whose sum is σ = 1846208. Its totient is φ = 243432.

The previous prime is 730321. The next prime is 730339. The reversal of 730332 is 233037.

730332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730339) by changing a digit.

730332 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10108 + ... + 10179.

2730332 is an apocalyptic number.

It is an amenable number.

730332 is an abundant number, since it is smaller than the sum of its proper divisors (1115876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730332 is a wasteful number, since it uses less digits than its factorization.

730332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297 (or 20292 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 730332 is about 854.5946407508. The cubic root of 730332 is about 90.0547814635.

Adding to 730332 its reverse (233037), we get a palindrome (963369).

The spelling of 730332 in words is "seven hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 20287 40574 60861 81148 121722 182583 243444 365166 730332