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3230400305 = 511451713003
BaseRepresentation
bin1100000010001011…
…1111111100110001
322100010120100010202
43000202333330301
523103440302210
61252314404545
7143023643456
oct30042777461
98303510122
103230400305
111408527620
12761a30755
133c6353a92
1422905d82d
1513d9059a5
hexc08bff31

3230400305 has 16 divisors (see below), whose sum is σ = 4230149184. Its totient is φ = 2348681280.

The previous prime is 3230400293. The next prime is 3230400323. The reversal of 3230400305 is 5030040323.

It is not a de Polignac number, because 3230400305 - 212 = 3230396209 is a prime.

It is a super-2 number, since 2×32304003052 = 20870972261088186050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241934 + ... + 254936.

It is an arithmetic number, because the mean of its divisors is an integer number (264384324).

Almost surely, 23230400305 is an apocalyptic number.

It is an amenable number.

3230400305 is a deficient number, since it is larger than the sum of its proper divisors (999748879).

3230400305 is a wasteful number, since it uses less digits than its factorization.

3230400305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 3230400305 is about 56836.6106044335. The cubic root of 3230400305 is about 1478.2643863180.

Adding to 3230400305 its reverse (5030040323), we get a palindrome (8260440628).

The spelling of 3230400305 in words is "three billion, two hundred thirty million, four hundred thousand, three hundred five".

Divisors: 1 5 11 55 4517 13003 22585 49687 65015 143033 248435 715165 58734551 293672755 646080061 3230400305