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805320130 = 251913930493
BaseRepresentation
bin110000000000000…
…011010111000010
32002010100111112111
4300000003113002
53122130221010
6211524445534
725646052046
oct6000032702
92063314474
10805320130
11383644a2a
121a58498aa
13caac65b4
1478d52026
154aa7858a
hex300035c2

805320130 has 32 divisors (see below), whose sum is σ = 1536897600. Its totient is φ = 302968512.

The previous prime is 805320121. The next prime is 805320143. The reversal of 805320130 is 31023508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11164 + ... + 41656.

It is an arithmetic number, because the mean of its divisors is an integer number (48028050).

Almost surely, 2805320130 is an apocalyptic number.

805320130 is a deficient number, since it is larger than the sum of its proper divisors (731577470).

805320130 is a wasteful number, since it uses less digits than its factorization.

805320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30658.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 805320130 is about 28378.1629074188. The cubic root of 805320130 is about 930.3710432193.

Adding to 805320130 its reverse (31023508), we get a palindrome (836343638).

The spelling of 805320130 in words is "eight hundred five million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 95 139 190 278 695 1390 2641 5282 13205 26410 30493 60986 152465 304930 579367 1158734 2896835 4238527 5793670 8477054 21192635 42385270 80532013 161064026 402660065 805320130