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44355140 = 2252217757
BaseRepresentation
bin1010100100110…
…0111001000100
310002110110210222
42221030321010
542323331030
64222403512
71046004164
oct251147104
9102413728
1044355140
1123045745
1212a30598
13925cc5b
145c685a4
153d623e5
hex2a4ce44

44355140 has 12 divisors (see below), whose sum is σ = 93145836. Its totient is φ = 17742048.

The previous prime is 44355137. The next prime is 44355161. The reversal of 44355140 is 4155344.

It can be written as a sum of positive squares in 2 ways, for example, as 5317636 + 39037504 = 2306^2 + 6248^2 .

It is an unprimeable number.

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, 1108859 + ... + 1108898.

It is an arithmetic number, because the mean of its divisors is an integer number (7762153).

Almost surely, 244355140 is an apocalyptic number.

It is an amenable number.

44355140 is an abundant number, since it is smaller than the sum of its proper divisors (48790696).

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

44355140 is a wasteful number, since it uses less digits than its factorization.

44355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217766 (or 2217764 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 44355140 is about 6659.9654653759. The cubic root of 44355140 is about 353.9821136440.

The spelling of 44355140 in words is "forty-four million, three hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2217757 4435514 8871028 11088785 22177570 44355140