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44000000 = 285611
BaseRepresentation
bin1010011111011…
…0001100000000
310001210102122122
42213312030000
542231000000
64211023412
71042664612
oct247661400
9101712578
1044000000
1122922940
121289ab68
139167405
145bb4db2
153ce2085
hex29f6300

44000000 has 126 divisors (see below), whose sum is σ = 119764092. Its totient is φ = 16000000.

The previous prime is 43999999. The next prime is 44000003. The reversal of 44000000 is 44.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3999995 + ... + 4000005.

Almost surely, 244000000 is an apocalyptic number.

44000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59882046).

44000000 is an abundant number, since it is smaller than the sum of its proper divisors (75764092).

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

44000000 is an frugal number, since it uses more digits than its factorization.

44000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 44000000 is about 6633.2495807108. The cubic root of 44000000 is about 353.0348335326.

Adding to 44000000 its reverse (44), we get a palindrome (44000044).

Multiplying 44000000 by its reverse (44), we get a square (1936000000 = 440002).

44000000 divided by its reverse (44) gives a 6-th power (1000000 = 106).

It can be divided in two parts, 4 and 4000000, that multiplied together give a square (16000000 = 40002).

The spelling of 44000000 in words is "forty-four million", and thus it is an aban number and an eban number.

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 128 160 176 200 220 250 256 275 320 352 400 440 500 550 625 640 704 800 880 1000 1100 1250 1280 1375 1408 1600 1760 2000 2200 2500 2750 2816 3125 3200 3520 4000 4400 5000 5500 6250 6400 6875 7040 8000 8800 10000 11000 12500 13750 14080 15625 16000 17600 20000 22000 25000 27500 31250 32000 34375 35200 40000 44000 50000 55000 62500 68750 70400 80000 88000 100000 110000 125000 137500 160000 171875 176000 200000 220000 250000 275000 343750 352000 400000 440000 500000 550000 687500 800000 880000 1000000 1100000 1375000 1760000 2000000 2200000 2750000 4000000 4400000 5500000 8800000 11000000 22000000 44000000