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44145486 = 2347113539
BaseRepresentation
bin1010100001100…
…1101101001110
310002001211020000
42220121231032
542300123421
64214105130
71044142020
oct250315516
9102054200
1044145486
1122a12180
121294b1a6
1391b86b8
145c12010
153d20226
hex2a19b4e

44145486 has 80 divisors (see below), whose sum is σ = 123361920. Its totient is φ = 11463120.

The previous prime is 44145467. The next prime is 44145539. The reversal of 44145486 is 68454144.

It is a happy number.

44145486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44145486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10705 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (1542024).

Almost surely, 244145486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44145486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61680960).

44145486 is an abundant number, since it is smaller than the sum of its proper divisors (79216434).

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

44145486 is a wasteful number, since it uses less digits than its factorization.

44145486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3562 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 44145486 is about 6644.2069504193. The cubic root of 44145486 is about 353.4235086877.

It can be divided in two parts, 44 and 145486, that added together give a triangular number (145530 = T539).

The spelling of 44145486 in words is "forty-four million, one hundred forty-five thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 81 99 126 154 162 189 198 231 297 378 462 567 594 693 891 1134 1386 1782 2079 3539 4158 6237 7078 10617 12474 21234 24773 31851 38929 49546 63702 74319 77858 95553 116787 148638 191106 222957 233574 272503 286659 350361 445914 545006 573318 668871 700722 817509 1051083 1337742 1635018 2006613 2102166 2452527 3153249 4013226 4905054 6306498 7357581 14715162 22072743 44145486