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6841421 = 311991109
BaseRepresentation
bin11010000110010001001101
3110212120122222
4122012101031
53222411141
6402345125
7112102556
oct32062115
913776588
106841421
113953074
12235b1a5
131556ca2
14ca132d
1590214b
hex68644d

6841421 has 8 divisors (see below), whose sum is σ = 7104000. Its totient is φ = 6581520.

The previous prime is 6841409. The next prime is 6841423. The reversal of 6841421 is 1241486.

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 6841421 - 214 = 6825037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6841423) 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, 5615 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (888000).

Almost surely, 26841421 is an apocalyptic number.

It is an amenable number.

6841421 is a deficient number, since it is larger than the sum of its proper divisors (262579).

6841421 is a wasteful number, since it uses less digits than its factorization.

6841421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its digits is 1536, while the sum is 26.

The square root of 6841421 is about 2615.6110184812. The cubic root of 6841421 is about 189.8375434975.

The spelling of 6841421 in words is "six million, eight hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 31 199 1109 6169 34379 220691 6841421