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44441228 = 221319311451
BaseRepresentation
bin1010100110000…
…1111010001100
310002121211220102
42221201322030
542334104403
64224310232
71046513156
oct251417214
9102554812
1044441228
11230a4397
1212a72378
1392901b0
145c8bad6
153d7cb88
hex2a61e8c

44441228 has 48 divisors (see below), whose sum is σ = 91069440. Its totient is φ = 18792000.

The previous prime is 44441227. The next prime is 44441251. The reversal of 44441228 is 82214444.

It is a super-2 number, since 2×444412282 = 3950045492295968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44441228.

It is not an unprimeable number, because it can be changed into a prime (44441227) 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, 29903 + ... + 31353.

It is an arithmetic number, because the mean of its divisors is an integer number (1897280).

Almost surely, 244441228 is an apocalyptic number.

It is an amenable number.

44441228 is an abundant number, since it is smaller than the sum of its proper divisors (46628212).

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

44441228 is a wasteful number, since it uses less digits than its factorization.

44441228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1516 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 44441228 is about 6666.4254289687. The cubic root of 44441228 is about 354.2109778991.

The spelling of 44441228 in words is "forty-four million, four hundred forty-one thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 19 26 31 38 52 62 76 124 247 403 494 589 806 988 1178 1451 1612 2356 2902 5804 7657 15314 18863 27569 30628 37726 44981 55138 75452 89962 110276 179924 358397 584753 716794 854639 1169506 1433588 1709278 2339012 3418556 11110307 22220614 44441228