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12471080 = 2351392243
BaseRepresentation
bin101111100100…
…101100101000
3212110121002212
4233210230220
511143033310
61123144252
7211000556
oct57445450
925417085
1012471080
117048786
124215088
13277854b
141928bd6
151165205
hexbe4b28

12471080 has 32 divisors (see below), whose sum is σ = 28274400. Its totient is φ = 4950336.

The previous prime is 12471077. The next prime is 12471089. The reversal of 12471080 is 8017421.

12471080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12471089) 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, 4439 + ... + 6681.

It is an arithmetic number, because the mean of its divisors is an integer number (883575).

Almost surely, 212471080 is an apocalyptic number.

12471080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12471080 is an abundant number, since it is smaller than the sum of its proper divisors (15803320).

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

12471080 is a wasteful number, since it uses less digits than its factorization.

12471080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12471080 is about 3531.4416319685. The cubic root of 12471080 is about 231.9003238084.

The spelling of 12471080 in words is "twelve million, four hundred seventy-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 139 278 556 695 1112 1390 2243 2780 4486 5560 8972 11215 17944 22430 44860 89720 311777 623554 1247108 1558885 2494216 3117770 6235540 12471080