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44008900 = 22521397349
BaseRepresentation
bin1010011111100…
…0010111000100
310001210212212021
42213320113010
542231241100
64211132524
71043032555
oct247702704
9101725767
1044008900
11229295a1
12128a4144
13916b490
145bb832c
153ce4a1a
hex29f85c4

44008900 has 72 divisors (see below), whose sum is σ = 104203400. Its totient is φ = 16035840.

The previous prime is 44008897. The next prime is 44008901. The reversal of 44008900 is 980044.

44008900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 15429184 + 28579716 = 3928^2 + 5346^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (44008901) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 125926 + ... + 126274.

Almost surely, 244008900 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 44008900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52101700).

44008900 is an abundant number, since it is smaller than the sum of its proper divisors (60194500).

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

44008900 is a wasteful number, since it uses less digits than its factorization.

44008900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 44008900 is about 6633.9204095316. The cubic root of 44008900 is about 353.0586350341.

Adding to 44008900 its reverse (980044), we get a palindrome (44988944).

The spelling of 44008900 in words is "forty-four million, eight thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 97 100 130 194 260 325 349 388 485 650 698 970 1261 1300 1396 1745 1940 2425 2522 3490 4537 4850 5044 6305 6980 8725 9074 9700 12610 17450 18148 22685 25220 31525 33853 34900 45370 63050 67706 90740 113425 126100 135412 169265 226850 338530 440089 453700 677060 846325 880178 1692650 1760356 2200445 3385300 4400890 8801780 11002225 22004450 44008900