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730053 = 349013
BaseRepresentation
bin10110010001111000101
31101002110000
42302033011
5141330203
623351513
76130302
oct2621705
91332400
10730053
11459555
122b2599
131c73ac
141500a9
15e64a3
hexb23c5

730053 has 10 divisors (see below), whose sum is σ = 1090694. Its totient is φ = 486648.

The previous prime is 730049. The next prime is 730069. The reversal of 730053 is 350037.

730053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 116964 = 783^2 + 342^2 .

It is not a de Polignac number, because 730053 - 22 = 730049 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4426 + ... + 4587.

2730053 is an apocalyptic number.

It is an amenable number.

730053 is a deficient number, since it is larger than the sum of its proper divisors (360641).

730053 is an equidigital number, since it uses as much as digits as its factorization.

730053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9025 (or 9016 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 730053 is about 854.4313898728. The cubic root of 730053 is about 90.0433124859.

The spelling of 730053 in words is "seven hundred thirty thousand, fifty-three".

Divisors: 1 3 9 27 81 9013 27039 81117 243351 730053