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2241868820 = 225112093441
BaseRepresentation
bin1000010110100000…
…0011010000010100
312210020110201212112
42011220003100110
514042404300240
61010243010152
7106361366462
oct20550032024
95706421775
102241868820
11a50527254
12526969958
132996009c9
14173a59832
15d1c3c665
hex85a03414

2241868820 has 12 divisors (see below), whose sum is σ = 4707924564. Its totient is φ = 896747520.

The previous prime is 2241868789. The next prime is 2241868823. The reversal of 2241868820 is 288681422.

It can be written as a sum of positive squares in 2 ways, for example, as 301994884 + 1939873936 = 17378^2 + 44044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241868823) 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, 56046701 + ... + 56046740.

It is an arithmetic number, because the mean of its divisors is an integer number (392327047).

Almost surely, 22241868820 is an apocalyptic number.

2241868820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241868820 is an abundant number, since it is smaller than the sum of its proper divisors (2466055744).

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

2241868820 is a wasteful number, since it uses less digits than its factorization.

2241868820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112093450 (or 112093448 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 2241868820 is about 47348.3771633200. The cubic root of 2241868820 is about 1308.7902940103.

The spelling of 2241868820 in words is "two billion, two hundred forty-one million, eight hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 112093441 224186882 448373764 560467205 1120934410 2241868820