Base | Representation |
---|---|
bin | 1010100011100… |
… | …0010010000000 |
3 | 10002022012000022 |
4 | 2220320102000 |
5 | 42313130340 |
6 | 4220513012 |
7 | 1045203104 |
oct | 250702200 |
9 | 102265008 |
10 | 44270720 |
11 | 22a9827a |
12 | 129ab768 |
13 | 92306c0 |
14 | 5c45904 |
15 | 3d473b5 |
hex | 2a38480 |
44270720 has 128 divisors (see below), whose sum is σ = 121065840. Its totient is φ = 15335424.
The previous prime is 44270713. The next prime is 44270729. The reversal of 44270720 is 2707244.
It can be written as a sum of positive squares in 8 ways, for example, as 4227136 + 40043584 = 2056^2 + 6328^2 .
It is a tau number, because it is divible by the number of its divisors (128).
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 44270720.
It is not an unprimeable number, because it can be changed into a prime (44270729) 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, 141284 + ... + 141596.
Almost surely, 244270720 is an apocalyptic number.
44270720 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 44270720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60532920).
44270720 is an abundant number, since it is smaller than the sum of its proper divisors (76795120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44270720 is a wasteful number, since it uses less digits than its factorization.
44270720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362 (or 350 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 26.
The square root of 44270720 is about 6653.6245761239. The cubic root of 44270720 is about 353.7573959922.
Adding to 44270720 its reverse (2707244), we get a palindrome (46977964).
It can be divided in two parts, 4 and 4270720, that added together give a palindrome (4270724).
The spelling of 44270720 in words is "forty-four million, two hundred seventy thousand, seven hundred twenty".
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