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2444140 = 225122207
BaseRepresentation
bin1001010100101101101100
311121011201201
421110231230
51111203030
6124215244
726526526
oct11245554
94534651
102444140
11141a356
1299a524
1367764a
14478a16
153342ca
hex254b6c

2444140 has 12 divisors (see below), whose sum is σ = 5132736. Its totient is φ = 977648.

The previous prime is 2444137. The next prime is 2444147. The reversal of 2444140 is 414442.

2444140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2444147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61084 + ... + 61123.

It is an arithmetic number, because the mean of its divisors is an integer number (427728).

22444140 is an apocalyptic number.

2444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444140 is an abundant number, since it is smaller than the sum of its proper divisors (2688596).

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

2444140 is a wasteful number, since it uses less digits than its factorization.

2444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122216 (or 122214 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2444140 is about 1563.3745552490. The cubic root of 2444140 is about 134.7024080322.

Adding to 2444140 its reverse (414442), we get a palindrome (2858582).

The spelling of 2444140 in words is "two million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 122207 244414 488828 611035 1222070 2444140