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730230306 = 2313193731321
BaseRepresentation
bin101011100001100…
…110111000100010
31212220001112122220
4223201212320202
52443414332211
6200243211510
724044566221
oct5341467042
91786045586
10730230306
11345217923
12184676b96
13b8395150
146cda6cb8
1544194806
hex2b866e22

730230306 has 64 divisors (see below), whose sum is σ = 1661278080. Its totient is φ = 212129280.

The previous prime is 730230299. The next prime is 730230307. The reversal of 730230306 is 603032037.

It is not an unprimeable number, because it can be changed into a prime (730230307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552126 + ... + 553446.

It is an arithmetic number, because the mean of its divisors is an integer number (25957470).

Almost surely, 2730230306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730230306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830639040).

730230306 is an abundant number, since it is smaller than the sum of its proper divisors (931047774).

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

730230306 is a wasteful number, since it uses less digits than its factorization.

730230306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 730230306 is about 27022.7738398559. The cubic root of 730230306 is about 900.5060142117.

The spelling of 730230306 in words is "seven hundred thirty million, two hundred thirty thousand, three hundred six".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 373 494 741 746 1119 1321 1482 2238 2642 3963 4849 7087 7926 9698 14174 14547 17173 21261 25099 29094 34346 42522 50198 51519 75297 92131 103038 150594 184262 276393 326287 492733 552786 652574 978861 985466 1478199 1957722 2956398 6405529 9361927 12811058 18723854 19216587 28085781 38433174 56171562 121705051 243410102 365115153 730230306