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2230998 = 237112439
BaseRepresentation
bin1000100000101011010110
311012100100120
420200223112
51032342443
6115452410
724651240
oct10405326
94170316
102230998
111294200
128b7106
13601623
14421090
152e1083
hex220ad6

2230998 has 48 divisors (see below), whose sum is σ = 5617920. Its totient is φ = 578160.

The previous prime is 2230979. The next prime is 2231011. The reversal of 2230998 is 8990322.

It is a super-3 number, since 3×22309983 = 33313387580582315976, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4863 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (117040).

22230998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2230998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808960).

2230998 is an abundant number, since it is smaller than the sum of its proper divisors (3386922).

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

2230998 is a wasteful number, since it uses less digits than its factorization.

2230998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2230998 is about 1493.6525700443. The cubic root of 2230998 is about 130.6671424505.

Subtracting from 2230998 its product of nonzero digits (7776), we obtain a palindrome (2223222).

The spelling of 2230998 in words is "two million, two hundred thirty thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 121 154 231 242 363 439 462 726 847 878 1317 1694 2541 2634 3073 4829 5082 6146 9219 9658 14487 18438 28974 33803 53119 67606 101409 106238 159357 202818 318714 371833 743666 1115499 2230998