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13524445240 = 23513117914419
BaseRepresentation
bin11001001100001111…
…01010100000111000
31021220112122000002021
430212013222200320
5210144224221430
610114003444224
7656101613335
oct144607524070
937815560067
1013524445240
115810218979
122755386674
131376c35627
1492428598c
155424e807a
hex3261ea838

13524445240 has 64 divisors (see below), whose sum is σ = 30835728000. Its totient is φ = 5338120320.

The previous prime is 13524445201. The next prime is 13524445273. The reversal of 13524445240 is 4254442531.

It is a junction number, because it is equal to n+sod(n) for n = 13524445196 and 13524445205.

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, 930751 + ... + 945169.

It is an arithmetic number, because the mean of its divisors is an integer number (481808250).

Almost surely, 213524445240 is an apocalyptic number.

13524445240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13524445240 is an abundant number, since it is smaller than the sum of its proper divisors (17311282760).

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

13524445240 is a wasteful number, since it uses less digits than its factorization.

13524445240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14736 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 13524445240 its reverse (4254442531), we get a palindrome (17778887771).

The spelling of 13524445240 in words is "thirteen billion, five hundred twenty-four million, four hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 131 179 262 358 524 655 716 895 1048 1310 1432 1790 2620 3580 5240 7160 14419 23449 28838 46898 57676 72095 93796 115352 117245 144190 187592 234490 288380 468980 576760 937960 1888889 2581001 3777778 5162002 7555556 9444445 10324004 12905005 15111112 18888890 20648008 25810010 37777780 51620020 75555560 103240040 338111131 676222262 1352444524 1690555655 2704889048 3381111310 6762222620 13524445240