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44245240 = 2351385087
BaseRepresentation
bin1010100011001…
…0000011111000
310002020220001121
42220302003320
542311321430
64220155024
71045035604
oct250620370
9102226047
1044245240
1122a80116
1212998a74
139221c20
145c3a504
153d3ea7a
hex2a320f8

44245240 has 32 divisors (see below), whose sum is σ = 107210880. Its totient is φ = 16336512.

The previous prime is 44245217. The next prime is 44245241. The reversal of 44245240 is 4254244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44245241) 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 7 ways as a sum of consecutive naturals, for example, 42024 + ... + 43063.

It is an arithmetic number, because the mean of its divisors is an integer number (3350340).

Almost surely, 244245240 is an apocalyptic number.

44245240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44245240 is an abundant number, since it is smaller than the sum of its proper divisors (62965640).

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

44245240 is a wasteful number, since it uses less digits than its factorization.

44245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85111 (or 85107 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 44245240 is about 6651.7095546934. The cubic root of 44245240 is about 353.6895146454.

Adding to 44245240 its reverse (4254244), we get a palindrome (48499484).

The spelling of 44245240 in words is "forty-four million, two hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 85087 170174 340348 425435 680696 850870 1106131 1701740 2212262 3403480 4424524 5530655 8849048 11061310 22122620 44245240