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730206 = 232113359
BaseRepresentation
bin10110010010001011110
31101002122200
42302101132
5141331311
623352330
76130611
oct2622136
91332580
10730206
11459684
122b26a6
131c7499
14150178
15e6556
hexb245e

730206 has 24 divisors (see below), whose sum is σ = 1600560. Its totient is φ = 240576.

The previous prime is 730199. The next prime is 730217. The reversal of 730206 is 602037.

730206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (66690).

2730206 is an apocalyptic number.

730206 is an abundant number, since it is smaller than the sum of its proper divisors (870354).

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

730206 is a wasteful number, since it uses less digits than its factorization.

730206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 730206 is about 854.5209184098. The cubic root of 730206 is about 90.0496022870.

The spelling of 730206 in words is "seven hundred thirty thousand, two hundred six".

Divisors: 1 2 3 6 9 18 113 226 339 359 678 718 1017 1077 2034 2154 3231 6462 40567 81134 121701 243402 365103 730206