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12483520 = 26575573
BaseRepresentation
bin101111100111…
…101111000000
3212111020011121
4233213233000
511143433040
61123322024
7211052050
oct57475700
925436147
1012483520
117057065
124220314
1327810ca
14192d560
151168c4a
hexbe7bc0

12483520 has 56 divisors (see below), whose sum is σ = 33979104. Its totient is φ = 4279296.

The previous prime is 12483517. The next prime is 12483521. The reversal of 12483520 is 2538421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12483521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 5026.

Almost surely, 212483520 is an apocalyptic number.

12483520 is a gapful number since it is divisible by the number (10) 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 12483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16989552).

12483520 is an abundant number, since it is smaller than the sum of its proper divisors (21495584).

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

12483520 is an equidigital number, since it uses as much as digits as its factorization.

12483520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12483520 is about 3533.2025133015. The cubic root of 12483520 is about 231.9774056474.

The spelling of 12483520 in words is "twelve million, four hundred eighty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 5573 11146 22292 27865 39011 44584 55730 78022 89168 111460 156044 178336 195055 222920 312088 356672 390110 445840 624176 780220 891680 1248352 1560440 1783360 2496704 3120880 6241760 12483520