Search a number
-
+
2288420868 = 223316151669
BaseRepresentation
bin1000100001100110…
…1000100000000100
312220111001211021110
42020121220200010
514141313431433
61015024445020
7110465153646
oct21031504004
95814054243
102288420868
11a74832518
1253a479770
132a614c8b6
14179cd6896
15d5d85963
hex88668804

2288420868 has 24 divisors (see below), whose sum is σ = 5511896320. Its totient is φ = 738200160.

The previous prime is 2288420867. The next prime is 2288420891. The reversal of 2288420868 is 8680248822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2288420867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075463 + ... + 3076206.

Almost surely, 22288420868 is an apocalyptic number.

It is an amenable number.

2288420868 is an abundant number, since it is smaller than the sum of its proper divisors (3223475452).

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

2288420868 is a wasteful number, since it uses less digits than its factorization.

2288420868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151707 (or 6151705 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The square root of 2288420868 is about 47837.4421138923. The cubic root of 2288420868 is about 1317.7872454766.

The spelling of 2288420868 in words is "two billion, two hundred eighty-eight million, four hundred twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 6151669 12303338 18455007 24606676 36910014 73820028 190701739 381403478 572105217 762806956 1144210434 2288420868