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2272998 = 2371323181
BaseRepresentation
bin1000101010111011100110
311021110222010
420222323212
51040213443
6120415050
725214550
oct10527346
94243863
102272998
111312812
12917486
13617790
144324d0
152ed733
hex22aee6

2272998 has 64 divisors (see below), whose sum is σ = 5870592. Its totient is φ = 570240.

The previous prime is 2272997. The next prime is 2273017. The reversal of 2272998 is 8992722.

2272998 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

2272998 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12468 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

22272998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935296).

2272998 is an abundant number, since it is smaller than the sum of its proper divisors (3597594).

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

2272998 is a wasteful number, since it uses less digits than its factorization.

2272998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 36288, while the sum is 39.

The square root of 2272998 is about 1507.6465102934. The cubic root of 2272998 is about 131.4820150145.

The spelling of 2272998 in words is "two million, two hundred seventy-two thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 7 13 14 21 23 26 39 42 46 69 78 91 138 161 181 182 273 299 322 362 483 543 546 598 897 966 1086 1267 1794 2093 2353 2534 3801 4163 4186 4706 6279 7059 7602 8326 12489 12558 14118 16471 24978 29141 32942 49413 54119 58282 87423 98826 108238 162357 174846 324714 378833 757666 1136499 2272998