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2220316 = 227179443
BaseRepresentation
bin1000011110000100011100
311011210200221
420132010130
51032022231
6115331124
724605140
oct10360434
94153627
102220316
11128717a
128b0aa4
135c97c7
1441b220
152dcd11
hex21e11c

2220316 has 24 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 944112.

The previous prime is 2220311. The next prime is 2220331. The reversal of 2220316 is 6130222.

It is a d-powerful number, because it can be written as 214 + 218 + 218 + 0 + 33 + 1 + 68 .

It is a self number, because there is not a number n which added to its sum of digits gives 2220316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220311) 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, 4791 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

22220316 is an apocalyptic number.

It is an amenable number.

2220316 is an abundant number, since it is smaller than the sum of its proper divisors (2255204).

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

2220316 is a wasteful number, since it uses less digits than its factorization.

2220316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2220316 is about 1490.0724814585. The cubic root of 2220316 is about 130.4582643264.

Adding to 2220316 its reverse (6130222), we get a palindrome (8350538).

It can be divided in two parts, 2220 and 316, that multiplied together give a triangular number (701520 = T1184).

The spelling of 2220316 in words is "two million, two hundred twenty thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 179 358 443 716 886 1253 1772 2506 3101 5012 6202 12404 79297 158594 317188 555079 1110158 2220316