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730268705 = 5192312421
BaseRepresentation
bin101011100001110…
…000010000100001
31212220010111100002
4223201300100201
52443422044310
6200244105345
724045116165
oct5341602041
91786114302
10730268705
11345243761
12184695255
13b83a977a
146cdb6ca5
15441a0da5
hex2b870421

730268705 has 36 divisors (see below), whose sum is σ = 957939156. Its totient is φ = 534340800.

The previous prime is 730268689. The next prime is 730268723. The reversal of 730268705 is 507862037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88811776 + 641456929 = 9424^2 + 25327^2 .

It is not a de Polignac number, because 730268705 - 24 = 730268689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 1734395 + ... + 1734815.

It is an arithmetic number, because the mean of its divisors is an integer number (26609421).

Almost surely, 2730268705 is an apocalyptic number.

It is an amenable number.

730268705 is a deficient number, since it is larger than the sum of its proper divisors (227670451).

730268705 is a wasteful number, since it uses less digits than its factorization.

730268705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 730268705 is about 27023.4843238247. The cubic root of 730268705 is about 900.5217982386.

The spelling of 730268705 in words is "seven hundred thirty million, two hundred sixty-eight thousand, seven hundred five".

Divisors: 1 5 19 31 95 155 361 421 589 961 1805 2105 2945 4805 7999 11191 13051 18259 39995 55955 65255 91295 151981 247969 346921 404581 759905 1239845 1734605 2022905 4711411 7687039 23557055 38435195 146053741 730268705