Search a number
-
+
284240630 = 2543276569
BaseRepresentation
bin10000111100010…
…010101011110110
3201210211220211202
4100330102223312
51040231200010
644112132502
710021001612
oct2074225366
9653756752
10284240630
111364a0213
127b237132
1346b7092b
1429a70342
1519e496a5
hex10f12af6

284240630 has 16 divisors (see below), whose sum is σ = 511829280. Its totient is φ = 113652672.

The previous prime is 284240617. The next prime is 284240633. The reversal of 284240630 is 36042482.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 284240593 and 284240602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284240633) 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, 39986 + ... + 46554.

It is an arithmetic number, because the mean of its divisors is an integer number (31989330).

Almost surely, 2284240630 is an apocalyptic number.

284240630 is a deficient number, since it is larger than the sum of its proper divisors (227588650).

284240630 is a wasteful number, since it uses less digits than its factorization.

284240630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 284240630 is about 16859.4374164739. The cubic root of 284240630 is about 657.4994376089.

The spelling of 284240630 in words is "two hundred eighty-four million, two hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 4327 6569 8654 13138 21635 32845 43270 65690 28424063 56848126 142120315 284240630