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12000480 = 2535231087
BaseRepresentation
bin101101110001…
…110011100000
3211120200120020
4231301303200
511033003410
61105113440
7204000552
oct55616340
924520506
1012000480
116857158
124028880
13264229b
1418454d2
1510c0a70
hexb71ce0

12000480 has 96 divisors (see below), whose sum is σ = 39481344. Its totient is φ = 3058176.

The previous prime is 12000473. The next prime is 12000509. The reversal of 12000480 is 8400021.

12000480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 10497 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

Almost surely, 212000480 is an apocalyptic number.

12000480 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 12000480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19740672).

12000480 is an abundant number, since it is smaller than the sum of its proper divisors (27480864).

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

12000480 is a wasteful number, since it uses less digits than its factorization.

12000480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12000480 is about 3464.1708964773. The cubic root of 12000480 is about 228.9459010413.

It can be divided in two parts, 12000 and 480, that multiplied together give a square (5760000 = 24002).

The spelling of 12000480 in words is "twelve million, four hundred eighty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1087 1104 1380 1840 2174 2208 2760 3261 3680 4348 5435 5520 6522 8696 10870 11040 13044 16305 17392 21740 25001 26088 32610 34784 43480 50002 52176 65220 75003 86960 100004 104352 125005 130440 150006 173920 200008 250010 260880 300012 375015 400016 500020 521760 600024 750030 800032 1000040 1200048 1500060 2000080 2400096 3000120 4000160 6000240 12000480