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730832 = 2445677
BaseRepresentation
bin10110010011011010000
31101010111212
42302123100
5141341312
623355252
76132464
oct2623320
91333455
10730832
1145a0a3
122b2b28
131c785b
141504a4
15e6822
hexb26d0

730832 has 10 divisors (see below), whose sum is σ = 1416018. Its totient is φ = 365408.

The previous prime is 730823. The next prime is 730837. The reversal of 730832 is 238037.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 18496 = 844^2 + 136^2 .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 730798 and 730807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730837) by changing a digit.

730832 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 as a sum of consecutive naturals, namely, 22823 + ... + 22854.

2730832 is an apocalyptic number.

It is an amenable number.

730832 is a deficient number, since it is larger than the sum of its proper divisors (685186).

730832 is a wasteful number, since it uses less digits than its factorization.

730832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45685 (or 45679 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 730832 is about 854.8871270525. The cubic root of 730832 is about 90.0753278812.

Adding to 730832 its reverse (238037), we get a palindrome (968869).

The spelling of 730832 in words is "seven hundred thirty thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 45677 91354 182708 365416 730832