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44144144 = 24111943307
BaseRepresentation
bin1010100001100…
…1011000010000
310002001202101022
42220121120100
542300103034
64214055012
71044135062
oct250313020
9102052338
1044144144
1122a11170
121294a468
1391b7bc5
145c11732
153d1eb2e
hex2a19610

44144144 has 80 divisors (see below), whose sum is σ = 100826880. Its totient is φ = 18506880.

The previous prime is 44144143. The next prime is 44144147.

44144144 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (44144141) 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, 143639 + ... + 143945.

It is an arithmetic number, because the mean of its divisors is an integer number (1260336).

Almost surely, 244144144 is an apocalyptic number.

44144144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44144144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50413440).

44144144 is an abundant number, since it is smaller than the sum of its proper divisors (56682736).

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

44144144 is a wasteful number, since it uses less digits than its factorization.

44144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 44144144 is about 6644.1059594200. The cubic root of 44144144 is about 353.4199273540.

It can be divided in two parts, 4414 and 4144, that added together give a palindrome (8558).

The spelling of 44144144 in words is "forty-four million, one hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 19 22 38 43 44 76 86 88 152 172 176 209 304 307 344 418 473 614 688 817 836 946 1228 1634 1672 1892 2456 3268 3344 3377 3784 4912 5833 6536 6754 7568 8987 11666 13072 13201 13508 17974 23332 26402 27016 35948 46664 52804 54032 64163 71896 93328 105608 128326 143792 145211 211216 250819 256652 290422 501638 513304 580844 1003276 1026608 1161688 2006552 2323376 2759009 4013104 5518018 11036036 22072072 44144144