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284122242 = 2344340787
BaseRepresentation
bin10000111011110…
…101110010000010
3201210121220110000
4100323311302002
51040213402432
644105420430
710016666505
oct2073656202
9653556400
10284122242
1113641a278
127b19a716
1346b2ba91
1429a3d13c
1519e2457c
hex10ef5c82

284122242 has 40 divisors (see below), whose sum is σ = 651465936. Its totient is φ = 92502648.

The previous prime is 284122213. The next prime is 284122249. The reversal of 284122242 is 242221482.

284122242 is a `hidden beast` number, since 2 + 8 + 412 + 2 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (284122249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13428 + ... + 27359.

Almost surely, 2284122242 is an apocalyptic number.

284122242 is an abundant number, since it is smaller than the sum of its proper divisors (367343694).

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

284122242 is a wasteful number, since it uses less digits than its factorization.

284122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40844 (or 40835 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 284122242 is about 16855.9260202458. The cubic root of 284122242 is about 657.4081407232.

The spelling of 284122242 in words is "two hundred eighty-four million, one hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 43 54 81 86 129 162 258 387 774 1161 2322 3483 6966 40787 81574 122361 244722 367083 734166 1101249 1753841 2202498 3303747 3507682 5261523 6607494 10523046 15784569 31569138 47353707 94707414 142061121 284122242