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12054480 = 243550227
BaseRepresentation
bin101101111110…
…111111010000
3211200102122020
4231332333100
511041220410
61110211440
7204314154
oct55767720
924612566
1012054480
116893789
124053b80
132660a39
14185b064
1510d1a70
hexb7efd0

12054480 has 40 divisors (see below), whose sum is σ = 37369632. Its totient is φ = 3214464.

The previous prime is 12054463. The next prime is 12054487. The reversal of 12054480 is 8445021.

It is a tau number, because it is divible by the number of its divisors (40).

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 12054480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054487) 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, 24874 + ... + 25353.

Almost surely, 212054480 is an apocalyptic number.

12054480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12054480 is an abundant number, since it is smaller than the sum of its proper divisors (25315152).

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

12054480 is a wasteful number, since it uses less digits than its factorization.

12054480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50243 (or 50237 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12054480 is about 3471.9562209221. The cubic root of 12054480 is about 229.2887923534.

The spelling of 12054480 in words is "twelve million, fifty-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 50227 100454 150681 200908 251135 301362 401816 502270 602724 753405 803632 1004540 1205448 1506810 2009080 2410896 3013620 4018160 6027240 12054480