Search a number
-
+
3189146208 = 25374344711
BaseRepresentation
bin1011111000010110…
…1000001001100000
322020020221102011020
42332011220021200
523012410134313
61244242245440
7142013203233
oct27605501140
98206842136
103189146208
11139720a826
12750056880
133ba93b481
142237a141a
15139ea7323
hexbe168260

3189146208 has 48 divisors (see below), whose sum is σ = 8382963456. Its totient is φ = 1061594240.

The previous prime is 3189146179. The next prime is 3189146221. The reversal of 3189146208 is 8026419813.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3189146208.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 48973 + ... + 93683.

It is an arithmetic number, because the mean of its divisors is an integer number (174645072).

Almost surely, 23189146208 is an apocalyptic number.

It is an amenable number.

3189146208 is an abundant number, since it is smaller than the sum of its proper divisors (5193817248).

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

3189146208 is a wasteful number, since it uses less digits than its factorization.

3189146208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45467 (or 45459 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3189146208 is about 56472.5261343957. The cubic root of 3189146208 is about 1471.9446409159.

The spelling of 3189146208 in words is "three billion, one hundred eighty-nine million, one hundred forty-six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 743 1486 2229 2972 4458 5944 8916 11888 17832 23776 35664 44711 71328 89422 134133 178844 268266 357688 536532 715376 1073064 1430752 2146128 4292256 33220273 66440546 99660819 132881092 199321638 265762184 398643276 531524368 797286552 1063048736 1594573104 3189146208