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730733 = 2331771
BaseRepresentation
bin10110010011001101101
31101010101012
42302121231
5141340413
623355005
76132263
oct2623155
91333335
10730733
1145a013
122b2a65
131c77b3
14150433
15e67a8
hexb266d

730733 has 4 divisors (see below), whose sum is σ = 762528. Its totient is φ = 698940.

The previous prime is 730727. The next prime is 730747. The reversal of 730733 is 337037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730733 - 26 = 730669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 31771 = 730733 / (7 + 3 + 0 + 7 + 3 + 3).

It is a Duffinian number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 730699 and 730708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15863 + ... + 15908.

It is an arithmetic number, because the mean of its divisors is an integer number (190632).

2730733 is an apocalyptic number.

It is an amenable number.

730733 is a deficient number, since it is larger than the sum of its proper divisors (31795).

730733 is a wasteful number, since it uses less digits than its factorization.

730733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31794.

The product of its (nonzero) digits is 1323, while the sum is 23.

The square root of 730733 is about 854.8292227106. The cubic root of 730733 is about 90.0712604348.

The spelling of 730733 in words is "seven hundred thirty thousand, seven hundred thirty-three".

Divisors: 1 23 31771 730733