Search a number
-
+
44040030 = 2351786353
BaseRepresentation
bin1010011111111…
…1111101011110
310001212110120020
42213333331132
542233240110
64211533010
71043222406
oct247777536
9101773506
1044040030
112294aa21
12128ba166
13917c6b8
145bc5806
153cedd70
hex29fff5e

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.

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 86353 172706 259059 431765 518118 863530 1295295 1468001 2590590 2936002 4404003 7340005 8808006 14680010 22020015 44040030