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44220105 = 3253131699
BaseRepresentation
bin1010100010101…
…1111011001001
310002012121120200
42220223323021
542310020410
64215442413
71044602406
oct250537311
9102177520
1044220105
1122a63246
1212986409
139213657
145c312ad
153d373c0
hex2a2bec9

44220105 has 24 divisors (see below), whose sum is σ = 79123200. Its totient is φ = 22822560.

The previous prime is 44220089. The next prime is 44220109. The reversal of 44220105 is 50102244.

It is not a de Polignac number, because 44220105 - 24 = 44220089 is a prime.

It is a super-2 number, since 2×442201052 = 3910835372422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44220109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14455 + ... + 17244.

It is an arithmetic number, because the mean of its divisors is an integer number (3296800).

Almost surely, 244220105 is an apocalyptic number.

44220105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44220105 is a deficient number, since it is larger than the sum of its proper divisors (34903095).

44220105 is a wasteful number, since it uses less digits than its factorization.

44220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31741 (or 31738 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 44220105 is about 6649.8199223738. The cubic root of 44220105 is about 353.6225268752.

Adding to 44220105 its reverse (50102244), we get a palindrome (94322349).

The spelling of 44220105 in words is "forty-four million, two hundred twenty thousand, one hundred five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 31699 95097 158495 285291 475485 982669 1426455 2948007 4913345 8844021 14740035 44220105