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284355742 = 21112925261
BaseRepresentation
bin10000111100101…
…110110010011110
3201211001202202011
4100330232302132
51040243340432
644114421434
710021661326
oct2074566236
9654052664
10284355742
11136569750
127b29187a
1346bb1148
1429aa0286
1519e6d847
hex10f2ec9e

284355742 has 8 divisors (see below), whose sum is σ = 465309432. Its totient is φ = 129252600.

The previous prime is 284355737. The next prime is 284355749. The reversal of 284355742 is 247553482.

284355742 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 junction number, because it is equal to n+sod(n) for n = 284355695 and 284355704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284355749) 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, 6462609 + ... + 6462652.

It is an arithmetic number, because the mean of its divisors is an integer number (58163679).

Almost surely, 2284355742 is an apocalyptic number.

284355742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

284355742 is a deficient number, since it is larger than the sum of its proper divisors (180953690).

284355742 is a wasteful number, since it uses less digits than its factorization.

284355742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925274.

The product of its digits is 268800, while the sum is 40.

The square root of 284355742 is about 16862.8509451990. The cubic root of 284355742 is about 657.5881838476.

It can be divided in two parts, 2843 and 55742, that added together give a palindrome (58585).

The spelling of 284355742 in words is "two hundred eighty-four million, three hundred fifty-five thousand, seven hundred forty-two".

Divisors: 1 2 11 22 12925261 25850522 142177871 284355742