Search a number
-
+
1404223411444 = 227532531373861
BaseRepresentation
bin10100011011110010001…
…111001101010011110100
311222020112202002022210221
4110123302033031103310
5141001322143131234
62553031421024124
7203310652025650
oct24336217152364
94866482068727
101404223411444
114a1589564877
121a81936b5044
13a25578bb9b9
144bd714b7a60
15267d8d15eb4
hex146f23cd4f4

1404223411444 has 48 divisors (see below), whose sum is σ = 2862574598016. Its totient is φ = 590220259200.

The previous prime is 1404223411421. The next prime is 1404223411477. The reversal of 1404223411444 is 4441143224041.

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, 3569074 + ... + 3942934.

It is an arithmetic number, because the mean of its divisors is an integer number (59636970792).

Almost surely, 21404223411444 is an apocalyptic number.

1404223411444 is a gapful number since it is divisible by the number (14) 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 1404223411444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431287299008).

1404223411444 is an abundant number, since it is smaller than the sum of its proper divisors (1458351186572).

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

1404223411444 is a wasteful number, since it uses less digits than its factorization.

1404223411444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376456 (or 376454 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 1404223411444 its reverse (4441143224041), we get a palindrome (5845366635485).

The spelling of 1404223411444 in words is "one trillion, four hundred four billion, two hundred twenty-three million, four hundred eleven thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 2531 5062 10124 17717 35434 70868 134143 268286 373861 536572 747722 939001 1495444 1878002 2617027 3756004 5234054 10468108 19814633 39629266 79258532 138702431 277404862 554809724 946242191 1892484382 3784968764 6623695337 13247390674 26494781348 50150836123 100301672246 200603344492 351055852861 702111705722 1404223411444