Search a number
-
+
440000412 = 223299291361
BaseRepresentation
bin11010001110011…
…101111110011100
31010122221100002120
4122032131332130
51400120003122
6111354422540
713621641015
oct3216357634
91118840076
10440000412
11206406905
12103431a50
1370208397
144261800c
152896575c
hex1a39df9c

440000412 has 48 divisors (see below), whose sum is σ = 1063994400. Its totient is φ = 141352960.

The previous prime is 440000401. The next prime is 440000413. The reversal of 440000412 is 214000044.

It is a junction number, because it is equal to n+sod(n) for n = 440000391 and 440000400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000413) 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, 322612 + ... + 323972.

It is an arithmetic number, because the mean of its divisors is an integer number (22166550).

Almost surely, 2440000412 is an apocalyptic number.

It is an amenable number.

440000412 is an abundant number, since it is smaller than the sum of its proper divisors (623993988).

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

440000412 is a wasteful number, since it uses less digits than its factorization.

440000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 440000412 is about 20976.1867840654. The cubic root of 440000412 is about 760.5907295486.

Adding to 440000412 its reverse (214000044), we get a palindrome (654000456).

The spelling of 440000412 in words is "four hundred forty million, four hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 929 1361 1858 2722 2787 3716 4083 5444 5574 8166 11148 16332 26941 39469 53882 78938 80823 107764 118407 157876 161646 236814 323292 473628 1264369 2528738 3793107 5057476 7586214 15172428 36666701 73333402 110000103 146666804 220000206 440000412