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44018380 = 22572291373
BaseRepresentation
bin1010011111101…
…0101011001100
310001211100212101
42213322223030
542232042010
64211244444
71043102320
oct247725314
9101740771
1044018380
112293572a
12128a9724
1391728a3
145bbb980
153ce773a
hex29faacc

44018380 has 48 divisors (see below), whose sum is σ = 106182720. Its totient is φ = 15015168.

The previous prime is 44018371. The next prime is 44018399. The reversal of 44018380 is 8381044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31374 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (2212140).

Almost surely, 244018380 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 44018380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53091360).

44018380 is an abundant number, since it is smaller than the sum of its proper divisors (62164340).

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

44018380 is a wasteful number, since it uses less digits than its factorization.

44018380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 44018380 is about 6634.6348806848. The cubic root of 44018380 is about 353.0839841155.

The spelling of 44018380 in words is "forty-four million, eighteen thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1373 1603 2290 2746 3206 4580 5492 6412 6865 8015 9611 13730 16030 19222 27460 32060 38444 48055 96110 192220 314417 628834 1257668 1572085 2200919 3144170 4401838 6288340 8803676 11004595 22009190 44018380