Base | Representation |
---|---|
bin | 1010011111111… |
… | …1111101011110 |
3 | 10001212110120020 |
4 | 2213333331132 |
5 | 42233240110 |
6 | 4211533010 |
7 | 1043222406 |
oct | 247777536 |
9 | 101773506 |
10 | 44040030 |
11 | 2294aa21 |
12 | 128ba166 |
13 | 917c6b8 |
14 | 5bc5806 |
15 | 3cedd70 |
hex | 29fff5e |
44040030 has 32 divisors (see below), whose sum is σ = 111914784. Its totient is φ = 11053056.
The previous prime is 44040001. The next prime is 44040077. The reversal of 44040030 is 3004044.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 44039991 and 44040009.
It is a congruent number.
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, 42667 + ... + 43686.
It is an arithmetic number, because the mean of its divisors is an integer number (3497337).
Almost surely, 244040030 is an apocalyptic number.
44040030 is an abundant number, since it is smaller than the sum of its proper divisors (67874754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44040030 is a wasteful number, since it uses less digits than its factorization.
44040030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86380.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 44040030 is about 6636.2662695223. The cubic root of 44040030 is about 353.1418615699.
Adding to 44040030 its reverse (3004044), we get a palindrome (47044074).
It can be divided in two parts, 440 and 40030, that added together give a triangular number (40470 = T284).
The spelling of 44040030 in words is "forty-four million, forty thousand, thirty", and thus it is an eban number.
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