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871348421 = 4796772687
BaseRepresentation
bin110011111011111…
…011100011000101
32020201121002022202
4303323323203011
53241031122141
6222244004245
730410224256
oct6373734305
92221532282
10871348421
11407942a69
12203990685
1310b6a43a8
1483a1cb2d
155176c49b
hex33efb8c5

871348421 has 8 divisors (see below), whose sum is σ = 874782720. Its totient is φ = 867921808.

The previous prime is 871348411. The next prime is 871348427. The reversal of 871348421 is 124843178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871348421 - 210 = 871347397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871348427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322940 + ... + 325626.

It is an arithmetic number, because the mean of its divisors is an integer number (109347840).

Almost surely, 2871348421 is an apocalyptic number.

It is an amenable number.

871348421 is a deficient number, since it is larger than the sum of its proper divisors (3434299).

871348421 is a wasteful number, since it uses less digits than its factorization.

871348421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843.

The product of its digits is 43008, while the sum is 38.

The square root of 871348421 is about 29518.6114341444. The cubic root of 871348421 is about 955.1332182605.

The spelling of 871348421 in words is "eight hundred seventy-one million, three hundred forty-eight thousand, four hundred twenty-one".

Divisors: 1 479 677 2687 324283 1287073 1819099 871348421