Search a number
-
+
3289578272 = 25101392
BaseRepresentation
bin1100010000010010…
…1111101100100000
322111020220220001022
43010010233230200
523214113001042
61302231025012
7144342645131
oct30404575440
98436826038
103289578272
111438976932
1277980b168
134056a3826
14232c65c88
15143be4cd2
hexc412fb20

3289578272 has 18 divisors (see below), whose sum is σ = 6476996043. Its totient is φ = 1644626912.

The previous prime is 3289578263. The next prime is 3289578283. The reversal of 3289578272 is 2728759823.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1644789136 + 1644789136 = 40556^2 + 40556^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=40556.

It is a super-2 number, since 2×32895782722 = 21642650415229011968, 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 (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 319379 + ... + 329517.

Almost surely, 23289578272 is an apocalyptic number.

3289578272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3289578272 is a deficient number, since it is larger than the sum of its proper divisors (3187417771).

3289578272 is an frugal number, since it uses more digits than its factorization.

3289578272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288 (or 10141 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 3289578272 is about 57354.8452356032. The cubic root of 3289578272 is about 1487.2366348883.

The spelling of 3289578272 in words is "three billion, two hundred eighty-nine million, five hundred seventy-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 10139 20278 40556 81112 162224 324448 102799321 205598642 411197284 822394568 1644789136 3289578272