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2210343140 = 225613180289
BaseRepresentation
bin1000001110111111…
…0010100011100100
312201001011001202202
42003233302203210
514011321440030
61003155154032
7105526415045
oct20357624344
95631131682
102210343140
11a34754575
125182a5918
13292c13465
1416d7b08cc
15ce0b1745
hex83bf28e4

2210343140 has 24 divisors (see below), whose sum is σ = 4649318520. Its totient is φ = 882690048.

The previous prime is 2210343101. The next prime is 2210343143. The reversal of 2210343140 is 413430122.

2210343140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56640676 + 2153702464 = 7526^2 + 46408^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2210343143) 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, 77885 + ... + 102404.

It is an arithmetic number, because the mean of its divisors is an integer number (193721605).

Almost surely, 22210343140 is an apocalyptic number.

2210343140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210343140 is an abundant number, since it is smaller than the sum of its proper divisors (2438975380).

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

2210343140 is a wasteful number, since it uses less digits than its factorization.

2210343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180911 (or 180909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2210343140 is about 47014.2865520684. The cubic root of 2210343140 is about 1302.6264730326.

Adding to 2210343140 its reverse (413430122), we get a palindrome (2623773262).

The spelling of 2210343140 in words is "two billion, two hundred ten million, three hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 613 1226 2452 3065 6130 12260 180289 360578 721156 901445 1802890 3605780 110517157 221034314 442068628 552585785 1105171570 2210343140