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14430231240 = 2335539922273
BaseRepresentation
bin11010111000001101…
…11101101011001000
31101020200000200212220
431130012331223020
5214023114344430
610343521534040
71020410641005
oct153406755310
941220020786
1014430231240
116135542347
1229687a4320
13148c7a6789
149ac6aa8ac
15596cb9110
hex35c1bdac8

14430231240 has 64 divisors (see below), whose sum is σ = 43300656000. Its totient is φ = 3847176192.

The previous prime is 14430231217. The next prime is 14430231241. The reversal of 14430231240 is 4213203441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14430231240.

It is not an unprimeable number, because it can be changed into a prime (14430231241) 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, 636744 + ... + 659016.

It is an arithmetic number, because the mean of its divisors is an integer number (676572750).

Almost surely, 214430231240 is an apocalyptic number.

14430231240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14430231240 is an abundant number, since it is smaller than the sum of its proper divisors (28870424760).

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

14430231240 is a wasteful number, since it uses less digits than its factorization.

14430231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686 (or 27682 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 14430231240 its reverse (4213203441), we get a palindrome (18643434681).

The spelling of 14430231240 in words is "fourteen billion, four hundred thirty million, two hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5399 10798 16197 21596 22273 26995 32394 43192 44546 53990 64788 66819 80985 89092 107980 111365 129576 133638 161970 178184 215960 222730 267276 323940 334095 445460 534552 647880 668190 890920 1336380 2672760 120251927 240503854 360755781 481007708 601259635 721511562 962015416 1202519270 1443023124 1803778905 2405038540 2886046248 3607557810 4810077080 7215115620 14430231240