Search a number
-
+
283840222 = 2431329281
BaseRepresentation
bin10000111010110…
…000111011011110
3201210002120120211
4100322300323132
51040130341342
644055403034
710014413341
oct2072607336
9653076524
10283840222
111362473a6
127b08347a
1346a605c3
14299a8458
1519dbac17
hex10eb0ede

283840222 has 8 divisors (see below), whose sum is σ = 426749472. Its totient is φ = 141590400.

The previous prime is 283840201. The next prime is 283840223. The reversal of 283840222 is 222048382.

283840222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283840223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163779 + ... + 165502.

It is an arithmetic number, because the mean of its divisors is an integer number (53343684).

Almost surely, 2283840222 is an apocalyptic number.

283840222 is a deficient number, since it is larger than the sum of its proper divisors (142909250).

283840222 is a wasteful number, since it uses less digits than its factorization.

283840222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329714.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 283840222 is about 16847.5583394152. The cubic root of 283840222 is about 657.1905540724.

The spelling of 283840222 in words is "two hundred eighty-three million, eight hundred forty thousand, two hundred twenty-two".

Divisors: 1 2 431 862 329281 658562 141920111 283840222