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44143660 = 225111631231
BaseRepresentation
bin1010100001100…
…1010000101100
310002001201201101
42220121100230
542300044120
64214052444
71044133501
oct250312054
9102051641
1044143660
1122a10870
121294a124
1391b7912
145c114a8
153d1e90a
hex2a1942c

44143660 has 48 divisors (see below), whose sum is σ = 101832192. Its totient is φ = 15940800.

The previous prime is 44143613. The next prime is 44143661. The reversal of 44143660 is 6634144.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44143661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35245 + ... + 36475.

It is an arithmetic number, because the mean of its divisors is an integer number (2121504).

Almost surely, 244143660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44143660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50916096).

44143660 is an abundant number, since it is smaller than the sum of its proper divisors (57688532).

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

44143660 is a wasteful number, since it uses less digits than its factorization.

44143660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 44143660 is about 6644.0695360600. The cubic root of 44143660 is about 353.4186357076.

The spelling of 44143660 in words is "forty-four million, one hundred forty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 163 220 326 652 815 1231 1630 1793 2462 3260 3586 4924 6155 7172 8965 12310 13541 17930 24620 27082 35860 54164 67705 135410 200653 270820 401306 802612 1003265 2006530 2207183 4013060 4414366 8828732 11035915 22071830 44143660