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284843042 = 21112947411
BaseRepresentation
bin10000111110100…
…101110000100010
3201211222112012022
4100332211300202
51040404434132
644133101442
710026061121
oct2076456042
9654875168
10284843042
11136871880
127b487882
1347021ba3
1429b89ab8
151a017e12
hex10fa5c22

284843042 has 8 divisors (see below), whose sum is σ = 466106832. Its totient is φ = 129474100.

The previous prime is 284843033. The next prime is 284843047. The reversal of 284843042 is 240348482.

It is a happy number.

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

It is a super-2 number, since 2×2848430422 = 162271117151627528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284842993 and 284843011.

It is not an unprimeable number, because it can be changed into a prime (284843047) 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 3 ways as a sum of consecutive naturals, for example, 6473684 + ... + 6473727.

It is an arithmetic number, because the mean of its divisors is an integer number (58263354).

Almost surely, 2284843042 is an apocalyptic number.

284843042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

284843042 is a deficient number, since it is larger than the sum of its proper divisors (181263790).

284843042 is a wasteful number, since it uses less digits than its factorization.

284843042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947424.

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 284843042 is about 16877.2936811563. The cubic root of 284843042 is about 657.9636054309.

The spelling of 284843042 in words is "two hundred eighty-four million, eight hundred forty-three thousand, forty-two".

Divisors: 1 2 11 22 12947411 25894822 142421521 284843042