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871472 = 24731251
BaseRepresentation
bin11010100110000110000
31122021102202
43110300300
5210341342
630402332
710256510
oct3246060
91567382
10871472
11545828
123603a8
13246884
14189840
15123332
hexd4c30

871472 has 40 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 360000.

The previous prime is 871463. The next prime is 871477. The reversal of 871472 is 274178.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871477) by changing a digit.

871472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347 + ... + 3597.

2871472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999936).

871472 is an abundant number, since it is smaller than the sum of its proper divisors (1128400).

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

871472 is a wasteful number, since it uses less digits than its factorization.

871472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 871472 is about 933.5266466470. The cubic root of 871472 is about 95.5178370053.

The spelling of 871472 in words is "eight hundred seventy-one thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 251 434 496 502 868 1004 1736 1757 2008 3472 3514 4016 7028 7781 14056 15562 28112 31124 54467 62248 108934 124496 217868 435736 871472