Search a number
-
+
2224640868 = 2232353152081
BaseRepresentation
bin1000010010011001…
…0101001101100100
312202001001110120020
42010212111031210
514024002001433
61004425435140
7106062064302
oct20446251544
95661043506
102224640868
11a4182a67a
1252103bab0
13295b7b258
14171653272
15d0487cb3
hex84995364

2224640868 has 48 divisors (see below), whose sum is σ = 5518751616. Its totient is φ = 695918080.

The previous prime is 2224640867. The next prime is 2224640911. The reversal of 2224640868 is 8680464222.

It is not an unprimeable number, because it can be changed into a prime (2224640867) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61413 + ... + 90668.

It is an arithmetic number, because the mean of its divisors is an integer number (114973992).

Almost surely, 22224640868 is an apocalyptic number.

It is an amenable number.

2224640868 is an abundant number, since it is smaller than the sum of its proper divisors (3294110748).

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

2224640868 is a wasteful number, since it uses less digits than its factorization.

2224640868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152164 (or 152162 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 2224640868 is about 47166.0987150729. The cubic root of 2224640868 is about 1305.4291426376.

The spelling of 2224640868 in words is "two billion, two hundred twenty-four million, six hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 53 69 92 106 138 159 212 276 318 636 1219 2438 3657 4876 7314 14628 152081 304162 456243 608324 912486 1824972 3497863 6995726 8060293 10493589 13991452 16120586 20987178 24180879 32241172 41974356 48361758 96723516 185386739 370773478 556160217 741546956 1112320434 2224640868