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44140120 = 2351278689
BaseRepresentation
bin1010100001100…
…0011001011000
310002001112212021
42220120121120
542244440440
64214024224
71044120253
oct250303130
9102045767
1044140120
1122a09142
1212948074
1391b611b
145c1009a
153d1d84a
hex2a18658

44140120 has 32 divisors (see below), whose sum is σ = 100108800. Its totient is φ = 17515008.

The previous prime is 44140099. The next prime is 44140121. The reversal of 44140120 is 2104144.

It is a super-2 number, since 2×441401202 = 3896700387228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44140094 and 44140103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140121) 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, 736 + ... + 9424.

It is an arithmetic number, because the mean of its divisors is an integer number (3128400).

Almost surely, 244140120 is an apocalyptic number.

44140120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44140120 is an abundant number, since it is smaller than the sum of its proper divisors (55968680).

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

44140120 is a wasteful number, since it uses less digits than its factorization.

44140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8827 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 44140120 is about 6643.8031277274. The cubic root of 44140120 is about 353.4091882550.

Adding to 44140120 its reverse (2104144), we get a palindrome (46244264).

The spelling of 44140120 in words is "forty-four million, one hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 5080 8689 17378 34756 43445 69512 86890 173780 347560 1103503 2207006 4414012 5517515 8828024 11035030 22070060 44140120